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I. Circle the letter A, B, C or D before the word in each group that has the underlined part pronounced differently from the rest. (1,25pts)1. A. promised               B. hopped                      C. booked             D. burned2. A. though                             B. ought                         C. thought            D. bought3. A. hard                      B. carry                          C. card                 D. yard4. A. try                         B. why                          ...
Đọc tiếp

I. Circle the letter A, B, C or D before the word in each group that has the underlined part pronounced differently from the rest. (1,25pts)

1. A. promised               B. hopped                      C. booked             D. burned

2. A. though                             B. ought                         C. thought            D. bought

3. A. hard                      B. carry                          C. card                 D. yard

4. A. try                         B. why                           C. heavy               D. dry

5. A. cool                       B. food                           C. look                 D. flood

II. Circle A, B, C or D to complete the following sentences . (5,75pts)

1. The teacher told him ___________ up late.

A. to not stay                 B. to stay not                 C. to stay not       D. not to stay

2. My father is good at ____________ English.

A. speaking                              B. spoken                      C. speak               D. to speak

3. We are all ________ that you passed your English exam. Congratulation!

A. relieved                      B. afraid                         C. delighted                    D. certain

4. “__________to come and have dinner with us?” “I’d love to but I’m very busy”.

A. would you mind        B. could you please       C. Would you like          D. Do you enjoy

5. I am very _____________ in the information you have given me.

A. concerned                  B. interested                   C. surprised                   D. worried

6. Can you tell me where ______________ ?

A. she does                              B. does she                              C. she is               D. is she

7. You have to work ____________ for the coming exam.

A. hardly                        B. more hardly               C. more hard        D. hard

8. I saw her _____________ the flowers in the garden.

A. watering                              B. watered                     C. be watered       D. is watering

9. They had their luggage ___________ by the porter.

A. carry                         B. carrying                     C. to carry            D. carried

10. She often spends her weekend ___________ through pleasant open countryside.

A. travel                         B. traveling                              C. to travel           D. to traveling

11- My brother is studying hard .........................  pass the exam.

A. for                                       B. in order to                 C. so to                D. so that

12- We have studied ................... seven o'clock.

A. for                                       B. at                               C. since                D. to

13- He was born in England. English is his .................................

A. mother tongue                                        B. first language

C. foreign language                                     D. A and B  are correct

14- It's dangerous .......................... in this river.

A. swim                          B. to swim                     C. swimming        D. swam

15- ........................... to America yet ?

A. Were you                            B. Have you ever been   C.Were you been  D. Are you

16- The boy was ....................... by the dog

A. bite                            B. bit                              C. bited                D. bitten

17- My father used ...................... me to school.

A. took                           B. taking                        C. to take             D. take

18- Would you mind ................... for a few minutes?

A. to wait                       B. waiting                      C. wait                 D. be waiting

19. My aunt speaks English very ................................

A. good

      B. well

              C. goodly

            D. best

20. We have math on Tuesday, Thursday, and Friday; It means we have math .......... a week.

A. once

B. twice

C. three times

D. four times

21. Lan promises to ............................ her best in learning English.

A. try

B. make

C. work

D. learn

22. The manager asked me ............................. for him outside his office.

A. wait

B. waiting

C. to wait

D. waited

23. She hasn’t written to me ........................................

A. already

B. yet

C. never

D. any longer

 
1

I. Circle the letter A, B, C or D before the word in each group that has the underlined part pronounced differently from the rest. (1,25pts)

1. A. promised               B. hopped                      C. booked             D. burned

2. A. though                             B. ought                         C. thought            D. bought

3. A. hard                      B. carry                          C. card                 D. yard

4. A. try                         B. why                           C. heavy               D. dry

5. A. cool                       B. food                           C. look                 D. flood

II. Circle A, B, C or D to complete the following sentences . (5,75pts)

1. The teacher told him ___________ up late.

A. to not stay                 B. to stay not                 C. to stay not       D. not to stay

2. My father is good at ____________ English.

A. speaking                              B. spoken                      C. speak               D. to speak

3. We are all ________ that you passed your English exam. Congratulation!

A. relieved                      B. afraid                         C. delighted                    D. certain

4. “__________to come and have dinner with us?” “I’d love to but I’m very busy”.

A. would you mind        B. could you please       C. Would you          D. Do you enjoy

5. I am very _____________ in the information you have given me.

A. concerned                  B. interested                   C. surprised                   D. worried

6. Can you tell me where ______________ ?

A. she does                              B. does she                              C. she is               D. is she

7. You have to work ____________ for the coming exam.

A. hardly                        B. more hardly               C. more hard        D. hard

8. I saw her _____________ the flowers in the garden.

A. watering                              B. watered                     C. be watered       D. is watering

9. They had their luggage ___________ by the porter.

A. carry                         B. carrying                     C. to carry            D. carried

10. She often spends her weekend ___________ through pleasant open countryside.

A. travel                         B. traveling                              C. to travel           D. to traveling

11- My brother is studying hard .........................  pass the exam.

A. for                                       B. in order to                 C. so to                D. so that

12- We have studied ................... seven o'clock.

A. for                                       B. at                               C. since                D. to

13- He was born in England. English is his .................................

A. mother tongue                                        B. first language

C. foreign language                                     D. A and B  are correct

14- It's dangerous .......................... in this river.

A. swim                          B. to swim                     C. swimming        D. swam

15- ........................... to America yet ?

A. Were you                            B. Have you ever been   C.Were you been  D. Are you

16- The boy was ....................... by the dog

A. bite                            B. bit                              C. bited                D. bitten

17- My father used ...................... me to school.

A. took                           B. taking                        C. to take             D. take

18- Would you mind ................... for a few minutes?

A. to wait                       B. waiting                      C. wait                 D. be waiting

19. My aunt speaks English very ................................

A. good

      B. well

              C. goodly

            D. best

20. We have math on Tuesday, Thursday, and Friday; It means we have math .......... a week.

A. once

 B. twice

 C. three times

 D. four times

21. Lan promises to ............................ her best in learning English.

A. try

 B. make

 C. work

 D. learn

22. The manager asked me ............................. for him outside his office.

A. wait

 B. waiting 

C. to wait 

D. waited

23. She hasn’t written to me ........................................

A. already 

B. yet 

C. never

 D. any longer

TEST 23I. Circle the letter A, B, C or D before the word in each group that has the underlined part pronounced differently from the rest. (1,25pts)1. A. promised               B. hopped                      C. booked             D. burned2. A. though                             B. ought                         C. thought            D. bought3. A. hard                      B. carry                          C. card                 D. yard4. A. try                         B....
Đọc tiếp

TEST 23

I. Circle the letter A, B, C or D before the word in each group that has the underlined part pronounced differently from the rest. (1,25pts)

1. A. promised               B. hopped                      C. booked             D. burned

2. A. though                             B. ought                         C. thought            D. bought

3. A. hard                      B. carry                          C. card                 D. yard

4. A. try                         B. why                           C. heavy               D. dry

5. A. cool                       B. food                           C. look                 D. flood

II. Circle A, B, C or D to complete the following sentences . (5,75pts)

1. The teacher told him ___________ up late.

A. to not stay                 B. to stay not                 C. to stay not       D. not to stay

2. My father is good at ____________ English.

A. speaking                              B. spoken                      C. speak               D. to speak

3. We are all ________ that you passed your English exam. Congratulation!

A. relieved                      B. afraid                         C. delighted                    D. certain

4. “__________to come and have dinner with us?” “I’d love to but I’m very busy”.

A. would you mind        B. could you please       C. Would you like          D. Do you enjoy

5. I am very _____________ in the information you have given me.

A. concerned                  B. interested                   C. surprised                   D. worried

6. Can you tell me where ______________ ?

A. she does                              B. does she                              C. she is               D. is she

7. You have to work ____________ for the coming exam.

A. hardly                        B. more hardly               C. more hard        D. hard

8. I saw her _____________ the flowers in the garden.

A. watering                              B. watered                     C. be watered       D. is watering

9. They had their luggage ___________ by the porter.

A. carry                         B. carrying                     C. to carry            D. carried

10. She often spends her weekend ___________ through pleasant open countryside.

A. travel                         B. traveling                              C. to travel           D. to traveling

11- My brother is studying hard .........................  pass the exam.

A. for                                       B. in order to                 C. so to                D. so that

12- We have studied ................... seven o'clock.

A. for                                       B. at                               C. since                D. to

13- He was born in England. English is his .................................

A. mother tongue                                        B. first language

C. foreign language                                     D. A and B  are correct

14- It's dangerous .......................... in this river.

A. swim                          B. to swim                     C. swimming        D. swam

15- ........................... to America yet ?

A. Were you                            B. Have you ever been   C.Were you been  D. Are you

16- The boy was ....................... by the dog

A. bite                            B. bit                              C. bited                D. bitten

17- My father used ...................... me to school.

A. took                           B. taking                        C. to take             D. take

18- Would you mind ................... for a few minutes?

A. to wait                       B. waiting                      C. wait                 D. be waiting

19. My aunt speaks English very ................................

A. good

      B. well

              C. goodly

            D. best

20. We have math on Tuesday, Thursday, and Friday; It means we have math .......... a week.

A. once

B. twice

C. three times

D. four times

21. Lan promises to ............................ her best in learning English.

A. try

B. make

C. work

D. learn

22. The manager asked me ............................. for him outside his office.

A. wait

B. waiting

C. to wait

D. waited

23. She hasn’t written to me ........................................

A. already

B. yet

C. never

D. any longer

III. Give the correct form of the bold words in parentheses. (2,5pts)

1. This book has a lot of information. It’s very ____________________.         (use)

2. You’ll meet the tour guide on your ___________________ at the hotel.       (arrive)

3. Our post is delivered _______________________ except for Saturday         ( day)

4. Ha Long Bay was ___________by UNESCO as a World Heritage Site.         (recognition)

5. Relax for some minutes and you’ll feel more ________________ .                (comfort)

6. His parents are very __________________ of him.                                        (pride)

7. “The lost shoes” is one of the _______________ stories I like best.               (tradition)

8. The _____________ from Hanoi to London was delayed in two hours.         (fly)

9. I’m sure that I have connected the printer ___________ .                     (proper)

10. Each of my friends has a _________________ character.                            (differ)

 

IV. Each sentence below contains an error, underline and write the correct one in the space. 0 is done as an example. (2pts)

0. My brother are a teacher.                                                     0. _______ is _________

1. I go to see her if I have enough time.                                   1. __________________

2. It is not easy do that difficult work.                                              2.___________________

3. He drove such fast that he won the race.                                       3.___________________

4. I wish I can go with you to the countryside next weekend. 4. ___________________

5. When she came, I read her letter.                                         5 ___________________

6. It’s dangerous to drive fastly in busy streets.                      6.___________________

7. The bicycle is so expensive for me to buy.                                    7.___________________

8. Dave is a friend of mine. I knew him for a long time.                    8.__________________

V. Give the correct form of the bold verbs in parentheses. (2pts)

1. The dictionaries (1. buy _________________) yesterday.

2. While my mother and I (2. watch____________________) a film on T V last night, our

aunt in the USA (3. phone_______________).

3. My friend (4. not/visit_________________) me since he (5. move _________) to    another town.

4. We (6. already/ finish _________________________) our work.

5. My English (7. get____________________ ) better and better.

6. You should practise (8. speak___________________) English everyday.

7. How long _________ you (9. wait___________________) for me?

8. It was a nice day, so we decided (10. go ________________) for a walk.

VI- Complete the following sentences based on the given cues.(2pts)

1- How long / it / take you / get / school ?

.....................................................................................................................................

2- He / not interested / buy / new / house.

.....................................................................................................................................

3- I / play badminton / Nam / when / my friends / come.

.....................................................................................................................................

4- I / bored / doing / same thing / day after day.

.....................................................................................................................................

5- Marie Curie / born / Poland / 1867

.....................................................................................................................................

6- We ought / use/ cloth bags/ instead / reuse/ plastic bags.

.....................................................................................................................................

7- We / have / wonderful/ time / moment / SaPa.

.....................................................................................................................................

8- Could / give me / information ?

.....................................................................................................................................

VII. Read the passage then answer the questions below.(2pts)

            Nam moved to this neighborhood last year. Nam and his family lived in a big city before coming here. On the first days, he didn’t like the life in the country because there was not much to do. However, after a short time he has changed his mind. He now likes his new neighborhood very much because the air is fresh, the food is delicious and the people are friendly. There are a lot of things he can do in his free time such as going swimming, going fishing, going boating. He doesn’t want to live in a big city anymore.

1. When did Nam move to this neighborhood?

....................................................................................................................................

2. Did he like the life in the country on the first days?

......................................................................................................................................

3. Why does he like his neighborhood now?

......................................................................................................................................

4. Does he want to live in a big city now?

.....................................................................................................................................

VIII. Complete the 2nd sentences so that it has a similar meaning to the fist (2,5pts).

1. The children are too young to be in class 6.

→The children are not....................................................................................................

2. "Eat more fruits and vegetables", the doctor said to her

→The doctor told............................................................................................................

3. We began to study English 5 years ago.

®.We have ...................................................................................................................

4 “Can you wait for me here, Jerry?”

®Tom told......................................................................................................................

5. A dog is bigger than a cat.

® A cat isn’t as..............................................................................................................

6. The coffee is so hot that I can’t drink it.

®  The coffee is too .......................................................................................................

7. The ladder isn’t very long. It doesn’t reach the window.

® The ladder .................................................................................................................

8. The weather was fine. We could go camping.

® The weather    ..........................................................................................................

9. I often went boating when I was young.

® I used to....................................................................................................................

10. We built this house in 1975.                                                                                          

 ®This house .............................................................................................................

 

 

6
3 tháng 4 2021

I. Circle the letter A, B, C or D before the word in each group that has the underlined part pronounced differently from the rest. (1,25pts)

1. A. promised               B. hopped                      C. booked             D. burned

2. A. though                             B. ought                         C. thought            D. bought

3. A. hard                      B. carry                          C. card                 D. yard

4. A. try                         B. why                           C. heavy               D. dry

5. A. cool                       B. food                           C. look                 D. flood

II. Circle A, B, C or D to complete the following sentences . (5,75pts)

1. The teacher told him ___________ up late.

A. to not stay                 B. to stay not                 C. to stay not       D. not to stay

2. My father is good at ____________ English.

A. speaking                              B. spoken                      C. speak               D. to speak

3. We are all ________ that you passed your English exam. Congratulation!

A. relieved                      B. afraid                         C. delighted                    D. certain

4. “__________to come and have dinner with us?” “I’d love to but I’m very busy”.

A. would you mind        B. could you please       C. Would you like          D. Do you enjoy

5. I am very _____________ in the information you have given me.

A. concerned                  B. interested                   C. surprised                   D. worried

6. Can you tell me where ______________ ?

A. she does                              B. does she                              C. she is               D. is she

7. You have to work ____________ for the coming exam.

A. hardly                        B. more hardly               C. more hard        D. hard

8. I saw her _____________ the flowers in the garden.

A. watering                              B. watered                     C. be watered       D. is watering

9. They had their luggage ___________ by the porter.

A. carry                         B. carrying                     C. to carry            D. carried

10. She often spends her weekend ___________ through pleasant open countryside.

A. travel                         B. traveling                              C. to travel           D. to traveling

11- My brother is studying hard .........................  pass the exam.

A. for                                       B. in order to                 C. so to                D. so that

12- We have studied ................... seven o'clock.

A. for                                       B. at                               C. since                D. to

13- He was born in England. English is his .................................

A. mother tongue                                        B. first language

C. foreign language                                     D. A and B  are correct

14- It's dangerous .......................... in this river.

A. swim                          B. to swim                     C. swimming        D. swam

15- ........................... to America yet ?

A. Were you                            B. Have you ever been   C.Were you been  D. Are you

16- The boy was ....................... by the dog

A. bite                            B. bit                              C. bited                D. bitten

17- My father used ...................... me to school.

A. took                           B. taking                        C. to take             D. take

18- Would you mind ................... for a few minutes?

A. to wait                       B. waiting                      C. wait                 D. be waiting

19. My aunt speaks English very ................................

A. good

      B. well

              C. goodly

            D. best

20. We have math on Tuesday, Thursday, and Friday; It means we have math .......... a week.

A. once

B. twice

C. three times

D. four times

21. Lan promises to ............................ her best in learning English.

A. try

B. make

C. work

D. learn

22. The manager asked me ............................. for him outside his office.

A. wait

B. waiting

C. to wait

D. waited

23. She hasn’t written to me ........................................

A. already

B. yet

C. never

D. any longer

 
3 tháng 4 2021

III. Give the correct form of the bold words in parentheses. (2,5pts)

1. This book has a lot of information. It’s very __________useful__________.         (use)

2. You’ll meet the tour guide on your _________arrival__________ at the hotel.       (arrive)

3. Our post is delivered __________daily_____________ except for Saturday         ( day)

4. Ha Long Bay was ____recognized_______by UNESCO as a World Heritage Site.         (recognition)

5. Relax for some minutes and you’ll feel more _______comfortable_________ .                (comfort)

6. His parents are very __________proud________ of him.                                        (pride)

7. “The lost shoes” is one of the ______traditional_________ stories I like best.               (tradition)

8. The ________flight_____ from Hanoi to London was delayed in two hours.         (fly)

9. I’m sure that I have connected the printer _____property______ .                     (proper)

10. Each of my friends has a ________different_________ character                           (differ)

 

IV. Each sentence below contains an error, underline and write the correct one in the space. 0 is done as an example. (2pts)

0. My brother are a teacher.                                                     0. _______ is _________

1. I go to see her if I have enough time.                                   1. _________will go_________

2. It is not easy do that difficult work.                                              2._________to do__________

3. He drove such fast that he won the race.                                       3._______so____________

4. I wish I can go with you to the countryside next weekend. 4. ________could___________

5. When she came, I read her letter.                                         5 _______was reading____________

6. It’s dangerous to drive fastly in busy streets.                      6.__________fast_________

7. The bicycle is so expensive for me to buy.                                    7._____too______________

8. Dave is a friend of mine. I knew him for a long time.                    8.________have known__________

 Rewrite the following sentences beginning as shown so that their meanings stay the same.1 You forgot turning off the T.V last night, didn't you?You didn't remember .....................................................2. I think he should quit smoking.Why doesn't ......................................................................3. Our mother will take us to the zoo this weekend.We will  ...............................................................................4. Is pollution one of the...
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 Rewrite the following sentences beginning as shown so that their meanings stay the same.

1 You forgot turning off the T.V last night, didn't you?

You didn't remember .....................................................

2. I think he should quit smoking.

Why doesn't ......................................................................

3. Our mother will take us to the zoo this weekend.

We will  ...............................................................................

4. Is pollution one of the most serious problems in the modern world?

Pollution is .........................................................................

5. Tom is taller than his older brother now.

Tom's older brother..............................................................

6. She invited us to her birthday last week, didn't she?

Did she............................................................................

7. Nam doesn't study as well as Minh.

Nam.................................................................................

8. I don't have as many books as him.

 He has.........................................................................

3
3 tháng 4 2021

1 You forgot turning off the T.V last night, didn't you?

You didn't remember ..............to turn off the TV last night, did you?.......................................

2. I think he should quit smoking.

Why doesn't ...................he stop smoking?...................................................

3. Our mother will take us to the zoo this weekend.

We will  .............be taken to the zoo by our mother this weekend..................................................................

4. Is pollution one of the most serious problems in the modern world?

Pollution is ..........one of the most serious problems in the modern world, isn't it?...............................................................

5. Tom is taller than his older brother now.

Tom's older brother............is not as tall as Tom..................................................

6. She invited us to her birthday last week, didn't she?

Did she..........invite us to her birthday party last week?..................................................................

7. Nam doesn't study as well as Minh.

Nam................studies worse than Minh.................................................................

8. I don't have as many books as him.

 He has.......more books than me..................................................................

3 tháng 4 2021

1 You didn'r remember turning off the TV last night, did you?

2 Why doesn't he quit smoking?

3 We will be taken to the zoo this weekend

4 Pollution is one of the most serious problems in the modern world, isn't it?

5 Tom's older brother is shorter than him now

6 Did she invited us to her party last week?

7 Nam studied worse than Minh

8 He has more books than me

3 tháng 4 2021

When will the students have a medical check-up ?

3 tháng 4 2021

The students will have a medical check-up next week.


⇒ When..........................will the students have a medical check-up.............................................? 

3 tháng 4 2021

Find the word which has a different stress pattern the others.Say them aloud

1. A.dangerous B.plentiful C.another D.limited

2. A.attention B.holiday C.pollution D.effective

3. A.different B.expensiveC.abundant D.convenient

4. A.petroleum B.advantage C.enormous D.tendency

 

  

3 tháng 4 2021

find the word which has a diffirent strees pattern from the others

1.a.dangerous b .plentiful c.another d.limited

2 a.attention b.holiday c.pollution d.effective

3 a.different b.expensive c.abundant d.convenient

4 a.petroleum b.advantage c.enormous d.tenceny

Read the text and choose the best answers to complete the text. Brazil’s most popular and festive holiday is Carnival. In fact, many people (16)…………. Carnival one of the world’s biggest celebrations. Each spring, on the Saturday before Ash Wednesday, the streets of brazil’s largest city, Rio de Janeiro, come alive (17)…………….wild parties, festivals and glamorous dances.The Samba School parade is the highlight of the (18)………….. event. About 3,000 performers, in...
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Read the text and choose the best answers to complete the text. Brazil’s most popular and festive holiday is Carnival. In fact, many people (16)…………. Carnival one of the world’s biggest celebrations. Each spring, on the Saturday before Ash Wednesday, the streets of brazil’s largest city, Rio de Janeiro, come alive (17)…………….wild parties, festivals and glamorous dances.The Samba School parade is the highlight of the (18)………….. event. About 3,000 performers, in colourful costumes embellished with feathers, beads and thousands of sequins, dance down the parade route into the Sambadrome – a dance stadium are(19)…………. for the event. Judges ( ban giám khảo ) award a ( 20)………….to the most wonderful group of dancers.16. A. consider B. regard C. believe D. hope17. A. of B. in C. with D. at18. A. four days B. four - days C. fourth day D. four - day19. A. build B. built C. buiding D. to built 20. A. price B. prize C. respect D. result

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3 tháng 4 2021

Read the text and choose the best answers to complete the text.

Brazil’s most popular and festive holiday is Carnival. In fact, many people (16)…………. Carnival one of the world’s biggest celebrations. Each spring, on the Saturday before Ash Wednesday, the streets of brazil’s largest city, Rio de Janeiro, come alive (17)…………….wild parties, festivals and glamorous dances.The Samba School parade is the highlight of the (18)………….. event. About 3,000 performers, in colourful costumes embellished with feathers, beads and thousands of sequins, dance down the parade route into the Sambadrome – a dance stadium are(19)…………. for the event. Judges ( ban giám khảo ) award a ( 20)………….to the most wonderful group of dancers.

16. A. consider B. regard C. believe D. hope

17. A. of B. in C. with D. at

18. A. four days B. four - days C. fourth day

19. A. build B. built C. buiding D. to built

20. A. price B. prize C. respect D. result

3 tháng 4 2021

The Rio de Janeiro Carnival - Rio de Janeiro, Brazil Brazil's most popular and festive holiday is Canival. In fact, many people (1)....................Canival one of the world's biggest celebrations. Each spring, on the Saturday before AshWenesday, the street of Brazil 's largest city, Rio de Janeiro, come alive(2)...................wild parties, festivals and glamorous dances. The Sanba School Parade is the highlight of the(3)...................event. About 3,000 performers, in colourful costumes enbellished with feathers, beads and thousands of sequins, dance down the parade route into the Sambadrome - a dance stadium(4)....................built for the event. Judges award a(5)....................to the most spectacular group of dancers.

1. A. consider B. regard C. believe D. hope

2. A. of B. in C. with D. at

3. A. four days B. four - days C. fourth day D. four - day

4. A. build B. built C. to build D. building

5. A. prize B. price C. respect D. result

3 tháng 4 2021

Bài 1

1 D

2 C

3 D

4 C

Bài 2

1 B

2 A

3 B

4 D

5 C

6 D

7 A

8 C

9 A

10 A

11 B

12 A

23 B

24 D

3 tháng 4 2021

Câu 25. You ____ take an umbrella in case it rains?

A must to.   B mustsn’t      C can.        D should

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3 tháng 4 2021

1 B => Can

2 B => comfortable

3 B => ought to/should

4 A => have been

5 do => doing

Good luck to you !

3 tháng 4 2021

Cíu mình câu trong inb với bạn

3 tháng 4 2021

i asked him_______________eigratte otside

A. smoke

B. to smoke

C. smoked

D. smoking

3 tháng 4 2021

Chào em, em tham khảo nhé!

I asked him_______________ cigratte outside.

A. smoke

B. to smoke

C. smoked

D. smoking

Ở đây mình có cấu trúc ask sb to do st: yêu cầu ai đó làm gì em nhé.

Chúc em học tốt và có những trải nghiệm tuyệt vời tại olm.vn!

What can we do....about.... air pollution ?

3 tháng 4 2021

what can we do... air pollution

=> what can we do..do to solve. air pollution