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30 tháng 3 2020

GRADE 7 TENSE REVISION

1) Students have (wear) TO WEAR uniform when they go to school.

2) Ba like sports, especially (play) PLAYING football and (swim) SWIMMING

3) You should (get) GET up early in the morning.

4) Sandra needs (improve) TO IMPROVE her English writing.

5) You should (underline) UNDERLINE the words you want (learn) TO LEARN .

6) Can you help me (move) MOVE / TO MOVE this table?

7) What WILL they (do) DO next summer vacation? They (visit) WILL VISIT their parents in HCMC.

8) Nga Likes (study) STUDYING English.

9) It is difficult (climb) TO CLIMB the mountain

10) The members in our club (collect) COLLECTED used paper to earn money last month.

11) She ought (practice) TO PRACTICE her English more frequently.

12) Everyone stopped (laugh) LAUGHING when I (come) CAME

11 tháng 4 2020

1) Students have (wear) TO WEAR uniform when they go to school.

2) Ba like sports, especially (play) PLAYING football and (swim) SWIMMING

3) You should (get) GET up early in the morning.

4) Sandra needs (improve) TO IMPROVE her English writing.

5) You should (underline) UNDERLINE the words you want (learn) TO LEARN .

6) Can you help me (move) MOVE / TO MOVE this table?

7) What WILL they (do) DO next summer vacation? They (visit) WILL VISIT their parents in HCMC.

8) Nga Likes (study) STUDYING English.

9) It is difficult (climb) TO CLIMB the mountain

10) The members in our club (collect) COLLECTED used paper to earn money last month.

11) She ought (practice) TO PRACTICE her English more frequently.

12) Everyone stopped (laugh) LAUGHING when I (come) CAME

GRADE 7 TENSE REVISION 1) It (not rain)______________ much in our country in winter. 2) I never (talk)_____________ to such an interesting person. 3) They (drive)______________ to school tomorrow. 4) Gene (eat)____________ dinner when his friend called. 5) At three o’clock this morning, Eleanor (study)______________. 6) John (write)________________ his report last night. 7) After John (wash)_____________ his clothes, he began to study. 8) Tim (go)____________ to France last year. 9)...
Đọc tiếp

GRADE 7 TENSE REVISION

1) It (not rain)______________ much in our country in winter.

2) I never (talk)_____________ to such an interesting person.

3) They (drive)______________ to school tomorrow.

4) Gene (eat)____________ dinner when his friend called.

5) At three o’clock this morning, Eleanor (study)______________.

6) John (write)________________ his report last night.

7) After John (wash)_____________ his clothes, he began to study.

8) Tim (go)____________ to France last year.

9) When the teacher (enter)___________the room, the students were talking.

10) We (hold)_____________ a soccer match next Sunday.

11) Guillermo (call)_____________ his employer yesterday.

12) Jane sent a letter to his university after she (receive)___________ her scholarship check..

13) The car (flip)______________ ten times before it landed on its roof.

14) While Joan was writing the report, Henry (look)___ for more information.

15) What you (do)______________ last weekend?

16) Mr. and Mrs. Ba (take)_________ some beautiful photos a few days ago.

17) Her brother (talk)__________to his pen pal on the phone at the moment.

18) They (not contact)_______________ to each other for a long time.

19) Nothing (be)______________ done since I moved here.

20) I used to walk to school when I (be)_______________ in primary school.

21) He (go)_______________ to that book shop tomorrow.

22) Lan (drink)_____________ two bottles of water every day.

23) Last year, I (not visit)____________ Huong pagoda.

24) He (learn) ____________English since 2001.

25) ____________You (have) ____________a test tomorrow?

26) Does he want (become)____________a singer?

27) My father (not, go) ____________to work last Tuesday.

28) She always (phone)____________me on the weekend.

29) Mr Brown used to (play)____________football when he was young.

30) ____________You____________(go) out last night?

31) You must take an umbrella. It____________(rain) now.

32) You should (underline) ____________the word you want to learn.

33) Can you help me (move)____________this table.

34) They were proud of (be)____________ so successful.

35) She likes (plant) ____________roses in the garden.

36) Please stop (ask) ____________me questions.

37) She (meet) ____________him for 2 years.

38) The earth (move ) ____________ around the sun.

39) You should read English books (improve ) ____________your English ?

40) She (not see ) ____________ them since Monday.

41) They were interested in (participate ) ____________ in Asiad 16th .

42) They often (go) _______ for dinner on Saturday afternoon.

43) The sun (rise) ____ in the east and (set) ______ in the west.

44) My class (start) ______ at 7.00 a.m and (finish) ________ at 11.15 a.m.

45) We (receive) ________ your letter two days ago.

46) My sister (start) ________ a new job since last week.

47) Yesterday I (be) _____ busy so I (not / have) _________ time to phone you.

48) We (live) ______ in London for ten years.

49) We (not / see) _________________ each other since last week.

50) Our dad (start) _______ a new job since yesterday.

51) They help the community by (participate) _______ in the recycling program.

52) He enjoys (get) __________ up late on Sunday morning.

53) When I (be) _______ young, I used to (love) ______ this book.

54) Last night, I (go) ________ to bed late. Suddenly I (hear) ________ a noise.

55) Martha (phone) _______ me yesterday. She’s on holiday in France.

56) What ____ you (use) _____ to do in your free time? I used to go jogging.

57) My father used to (tell) ______________ us stories when I was young.

58) What ____ you (do) _________ last night? I (watch) ________TV.

59) I (read) _________ this book for two hours.

60) She likes (read) _______ comic books in the library.

61) Lan (be) _________ to the USA for 2 years.

62) We (learn) ______________ since 1999.

63) They (eat / already) _______________________ Chinese food.

64) Mr. Nam (work) _________________________ in this factory for 10 years.

65) How long ___ you (live) _____ in Hanoi? I (live) _____ there for 10 years.

66) Ba like sports, especially (play) _______ football and (swim) _______

67) You should (get) ________ up early in the morning.

68) Sandra needs (improve) _________ her English writing.

69) You should (underline) ____________ the words you want (learn) ______ .

70) Can you help me (move) __________this table?

71) What ___ they (do) ____ next summer vacation? They (visit) _______ their parents in HCMC.

72) Nga Likes (study) ______ English.

73) It is difficult (climb) _______ the mountain

74) The members in our club (collect) ___ used paper to earn money last month.

75) She ought (practice) ________ her English more frequently.

76) Everyone stopped (laugh) ________ when I (come) ________

0
1) Does he want (become)____________a singer? 2) My father (not, go) ____________to work last Tuesday. 3) She always (phone)____________me on the weekend. 4) Mr Brown used to (play)____________football when he was young. 5) ____________You____________(go) out last night? 6) You must take an umbrella. It____________(rain) now. 7) You should (underline) ____________the word you want to learn. 8) Can you help me (move)____________this table. 9) They were proud of (be)____________ so...
Đọc tiếp
1) Does he want (become)____________a singer? 2) My father (not, go) ____________to work last Tuesday. 3) She always (phone)____________me on the weekend. 4) Mr Brown used to (play)____________football when he was young. 5) ____________You____________(go) out last night? 6) You must take an umbrella. It____________(rain) now. 7) You should (underline) ____________the word you want to learn. 8) Can you help me (move)____________this table. 9) They were proud of (be)____________ so successful. 10) She likes (plant) ____________roses in the garden. 11) Please stop (ask) ____________me questions. 12) She (meet) ____________him for 2 years. 13) The earth (move ) ____________ around the sun. 14) You should read English books (improve ) ____________your English ? 15) She (not see ) ____________ them since Monday. 16) They were interested in (participate ) ____________ in Asiad 16th . 17) They often (go) _______ for dinner on Saturday afternoon. 18) The sun (rise) ____ in the east and (set) ______ in the west. 19) My class (start) ______ at 7.00 a.m and (finish) ________ at 11.15 a.m. 20) We (receive) ________ your letter two days ago.
3
30 tháng 3 2020

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30 tháng 3 2020

1) Does he want (become)____to become________a singer?

2) My father (not, go) _______didn't go_____to work last Tuesday.

3) She always (phone)____phones________me on the weekend.

4) Mr Brown used to (play)____play________football when he was young.

5) _____Did _______You_go__________(go) out last night?

6) You must take an umbrella. It______is raining______(rain) now.

7) You should (underline) _______underline_____the word you want to learn.

8) Can you help me (move)____to move________this table.

9) They were proud of (be)_____to be_______ so successful.

10) She likes (plant) ____planting________roses in the garden.

11) Please stop (ask) _____asking______me questions.

12) She (meet) _____has met_______him for 2 years.

13) The earth (move ) ______moves______ around the sun.

14) You should read English books (improve ) ____to inprove________your English ?

15) She (not see ) ______hasn't seen_______ them since Monday.

16) They were interested in (participate ) _____particpating_______ in Asiad 16th .

17) They often (go) ___go____ for dinner on Saturday afternoon.

18) The sun (rise) _rises___ in the east and (set) __sets____ in the west.

19) My class (start) ___starts___ at 7.00 a.m and (finish) __finishes______ at 11.15 a.m.

20) We (receive) __received______ your letter two days ago.

II. Supply the correct form or tense of the verbs in brackets: 1. Her sister ( practice ) _________________her English at the moment. 2. Lan ( not, go ) _________________ to school tomorrow because tomorrow ( be) _______________ Sunday. 3. My brother ( go ) _________________ to the Youth Club every weekend. He enjoys ( play ) ______________ sports very much. 4. Students in the USA usually ( not, wear ) ____________________ uniform. 5. We learn ( repair ) ____________________ household...
Đọc tiếp

II. Supply the correct form or tense of the verbs in brackets:

1. Her sister ( practice ) _________________her English at the moment.

2. Lan ( not, go ) _________________ to school tomorrow because tomorrow ( be) _______________ Sunday.

3. My brother ( go ) _________________ to the Youth Club every weekend. He enjoys ( play ) ______________ sports very much.

4. Students in the USA usually ( not, wear ) ____________________ uniform.

5. We learn ( repair ) ____________________ household appliances in electrics class.

6. You work too much. You should ( relax ) ______________________.

7. She hopes she ( not, fail ) __________________ this exam.

8. I am interested in ( read ) ___________________ books.

9. What time ( he, usually, come ) ____________________________ home ?

10. ______________ you ( be ) _______________ fourteen on your next birthday ?

11. I’d like ( skip ) ___________________ rope with them but they don’t want to me.

12. They are practicing ( score ) ___________________ goals.

1
3 tháng 4 2020

1. Her sister ( practice ) is practicing her English at the moment.

2. Lan ( not, go ) won't go to school tomorrow because tomorrow ( be) is Sunday.

3. My brother ( go ) goes to the Youth Club every weekend. He enjoys ( play ) playing sports very much.

4. Students in the USA usually ( not, wear ) don't wear uniform.

5. We learn ( repair ) to repair household appliances in electrics class.

6. You work too much. You should ( relax ) be relaxed.

7. She hopes she ( not, fail ) won't fail this exam.

8. I am interested in ( read ) reading books.

9. What time ( he, usually, come ) does he usually come home ?

10. Are you ( be ) fourteen on your next birthday ?

11. I’d like ( skip ) to skip rope with them but they don’t want to me.

12. They are practicing ( score ) to score goals.

1. Yesterday, Hoa and her aunt (go)...........................to the market2. I would like (tell)...........................you about my family.3. You shoudn't (eat).......................too much candy4.I ( be).........................fourteen years old next week.5. What about (go)....................to the movies?6.She never (allow).......................her children to stay up late.7.Nam likes ( watch)..................basketball8. What you ( do)............................last night?9.You...
Đọc tiếp

1. Yesterday, Hoa and her aunt (go)...........................to the market

2. I would like (tell)...........................you about my family.

3. You shoudn't (eat).......................too much candy

4.I ( be).........................fourteen years old next week.

5. What about (go)....................to the movies?

6.She never (allow).......................her children to stay up late.

7.Nam likes ( watch)..................basketball

8. What you ( do)............................last night?

9.You ought ( finish )........................your homework before(watch) TV.

10.I (not have)................(get)..........up early.

11.His uncle(teach).......................English in our school five years ago.

12,The children should ( spend )...........only a small part of their free time ( play )..........vedeo games

13. My English teacher ( get )...................a bad cold last week

14. They (not go)...........................to the movies last Sunday.

15,They ( build )..............................this school in 1995

16.You (meet )...........................your old teacher yesterday?

17. We would like ( fly ) ....................................to Jakarta

18. What you ( do )........................last Saturday?-I ( go )..........................fishing

 

 

 

10
19 tháng 4 2018

1) went 

2) to tell

3)eat

4)am

5) go

6)allows

7)watching

8)do

9)finish / waching

10)don't / get

11)teached

19 tháng 4 2018

1.went

2.tell

3.eat

4.will be

5.go

6.allows (câu này mình ko chắc) 

7.watching

8.what did you do

1/ It (rain)………………………… heavily now. You should (stay)……………………… at home and (read) ……………………………books.2/ What are you (do) …………………………………………at the moment? - I (write) ………………………………….an essay.. .3/ Where Lan and Ba (go) …………………………tomorrow? They (visit) ………………....the Museum.4/ You (have)...
Đọc tiếp

1/ It (rain)………………………… heavily now. You should (stay)……………………… at home and (read) ……………………………books.
2/ What are you (do) …………………………………………at the moment? - I (write) ………………………………….an essay.. .
3/ Where Lan and Ba (go) …………………………tomorrow? They (visit) ………………....the Museum.
4/ You (have) ………………………………………………………………………Geography next Friday.
5/ What about (play) ………………………………a game of chess?
6/ It takes her 10 minutes (make) …………………………….this toy.
7/ She (be) ……………………………..ten on her next birthday.
8/ I (meet) …………………………..you soon.
9/ Why don’t we (hold) ………………………a party?
10/ Let’s (go) ……………………………camping.
11/ They (practice) ……………………………….playing the guitar in the music room now.
12/ We shouldn’t (waste) ………………………….water.
13/ I’d like (drink) ……………………………..some orange juice.
14/ Hoa usually (do) ……………………………..aerobics early in the morning.
15/ Would you like (come) ……………………………… to my house for lunch?
16/ They (go) ………………………..to visit Hue next summer.

 

3
28 tháng 7 2016

1/ It (rain)………is raining………………… heavily now. You should (stay)……………stay………… at home and (read) ………read……………………books.
2/ What are you (do) …………doing………………………………at the moment? - I (write) ……………am writing…………………….an essay.. .
3/ Where are Lan and Ba (go) ………going…………………tomorrow? They (visit) ………are going to visit………....the Museum.
4/ You (have) ………will have………………………………………………………………Geography next Friday.
5/ What about (play) ……playing…………………………a game of chess?
6/ It takes her 10 minutes (make) ………to make…………………….this toy.
7/ She (be) …………will be…………………..ten on her next birthday.
8/ I (meet) …………will meet………………..you soon.
9/ Why don’t we (hold) ………hold………………a party?
10/ Let’s (go) ……………go………………camping.
11/ They (practice) …………are practicing…………………….playing the guitar in the music room now.
12/ We shouldn’t (waste) ………waste………………….water.
13/ I’d like (drink) …………to drink…………………..some orange juice.
14/ Hoa usually (do) …………does…………………..aerobics early in the morning.
15/ Would you like (come) …………to come…………………… to my house for lunch?
16/ They (go) ………are going to………………..to visit Hue next summer.

28 tháng 7 2016

 

1/ It is going to rain heavily now. You should stay at home and read books.
2/ What are you doing at the moment? - I am writting an essay.
3/ Where are Lan and Ba going to go tomorrow? They are going to visit the Museum.
4/ You will have Geography next Friday.
5/ What about playing a game of chess?
6/ It takes her 10 minutes to make this toy.
7/ She will be ten on her next birthday.
8/ I will meet you soon.
9/ Why don’t we hold a party?
10/ Let’s go camping.
11/ They are practice playing the guitar in the music room now.
12/ We shouldn’t waste water.
13/ I’d like drink some orange juice.
14/ Hoa usually does aerobics early in the morning.
15/ Would you like to come to my house for lunch?
16/ They are going to go to visit Hue next summer.

 

10 tháng 11 2016

E1.

1.am going to buy

2.go

3.goes

4.play

5.doing

6.play

7.are doing

8.studying

9.watching

10.to join

11.to play

12.listening

13.are talking

14.plays_is playing

E2

1.She likes reading books.

2.My favourite subject is Math.

3.Would you like to play games to relax?

10 tháng 11 2016

1, I'll buy a new shout next week.

2, You should go to school by bike.

3, She goes fishing on Sundays.

4, Let's play badminton.

5, He enjoys doing in this factory.

6, They often play soccer after school.

7, Look! They're doung their homework together.

8, She is interested in studing English.

9, She likes watching TV in the evening.

10, I'd like join English club.

11, Would you like to play catch?

12, What about listening to music?

13, The children are talking class now.

14, Ba usually plays volleyball after school now he is playing soccer in the school.

Ex. 1: Change these sentences into the passive form: 1. The milkman brings bottles of milk to the house. →Bottles of milk are brought to the house by the milkman. 2. How do people learn languages? →How are people learnt languages? 3. John will collect me at the airport. →I will be collected at the airport by John. 4. The manager must sign the cheque. →The cheque must be signed by manger. 5. They kept me waiting for the half an hour. → 6. They are building a new ring road round the...
Đọc tiếp
Ex. 1: Change these sentences into the passive form: 1. The milkman brings bottles of milk to the house. →Bottles of milk are brought to the house by the milkman. 2. How do people learn languages? →How are people learnt languages? 3. John will collect me at the airport. →I will be collected at the airport by John. 4. The manager must sign the cheque. →The cheque must be signed by manger. 5. They kept me waiting for the half an hour. → 6. They are building a new ring road round the city. → 7. We can’t wear jeans at work. → 8. Will you invite her to your birthday party? → 9. They have built a new hospital near the airport. → 10. Do they speak French and English in Canada? → 11. They made jeans from denim. → 12. They will introduce a new style of jeans in Vietnam. → 13. Do they sell computers in the supermarket? → 14. Will they open the new hospital next month? → 15. The staff is going to explain the problem to the president. → 16. They will help you with your homework tonight. → 17. The director made an important announcement on TV last night. → 18. They have provided thousands of people with food. → 19. He sold his old car and bought a new one. → 20. He is writing another book about science. → 21. My students are doing exercises 5 on page 40 right now. → 22. I often visit her twice a week. → 23. She told us an interesting story. → 24. My father used to take me to the place when I was young. → 25. What will you do if you finish writing the book? → 26. We were driving a car when we saw an accident. → 27. You must make a decision as soon as possible. → 28. She doesn’t watch TV at night. → 29. Did they finish their work yesterday? → 30. You ought to show him how to use this computer. → 31. Naturally, they speak English very well. → 32. Have you told them the truth about the accident? → 33. Is she listening the folk song? → 34. I think she is honest. →
1
25 tháng 8 2021

1. The milkman brings bottles of milk to house.

=> The bottles of milk is brought to house

2. How do people learn English?

=> How is English learnt ?

3. John will collect me at the airport.
=> I will be collected ( by John ) at the airport

4. The manager must sign the cheque.
=> The chewue must be signed

5. They kept me waiting for half and hour.
=> I was kept waiting for half an hour

6. They are building a new ring road round the city.
=> A new ring road is being built ( by them ) around the city

7. We can't wear jeans at work.
=> Jeans can't be worn ar work

8. Will you invite her to your birthday party?

Will she be invited to your birthday party ?

9. They have built a new hospital near the airport.

=> A new hospital has been built near the airport

10. Do they speak French and English in Canada?
=> Are French and English spoken in Canada

( Tớ chỉ lm 10 câu đầu thôi,các câu khác đa số đềuchia ở dạng bị động tương tự nhé )

1 yesterday I ( go ) ...... to the market2 I would like ( tell ) ............ you about my family3 vegetables often ( have) .......dirt from the farm on them4 be quiet ! the teacher ( exphain)..........the lesson5 next week  lan ( visit ) ............her grand parents6 my father ( not/watch) ........ tv last night7 we mast ( wear ) ................. uniform on Mondays8 when ...........you ( buy) ..........This dress? Two days ago9 It often ( take) ....... me 20 minutes to walk to school10 Lan...
Đọc tiếp

1 yesterday I ( go ) ...... to the market

2 I would like ( tell ) ............ you about my family

3 vegetables often ( have) .......dirt from the farm on them

4 be quiet ! the teacher ( exphain)..........the lesson

5 next week  lan ( visit ) ............her grand parents

6 my father ( not/watch) ........ tv last night

7 we mast ( wear ) ................. uniform on Mondays

8 when ...........you ( buy) ..........This dress? Two days ago

9 It often ( take) ....... me 20 minutes to walk to school

10 Lan likes ( liste) ...........video games at the moment

11 where ........they ( spend) ........ their summer vacation next year?

12 Student in the USA usually ( not/ wear) ...........uni form

13He usually ( go ) ...... fishing on saturdays

14 I used (swim ) ........ long distance

15I( not / usedto ) ......... phay football

16How about ( see ) .........a movie on sunday evening

17 we shouldn't ( play ) ............ video games

18 Lan gets used ( play ) .............. table tenis

19 Mai ( speak ) ..........english for 5 years

giai ho mik vs

20

 

1
3 tháng 2 2019

1.went

2.tell

3.have

4.is explaining

5.will visit 

6. didn't watch

7.wear

8.did/ buy

9.takes

10.listening

11.will/ spend

12.doesn't wear

13.goes

14. to swim

15.didn't use to

16.seeing

17.play

18. to playing

19.has spoken

1/my brother (listen).................to music in his free time 2/I hope that you (have) ...............a good time tomorrow 3/They are practing(score)....................goals 4/ We enjoy (listen)..................the rap music 5/He (not some) .......................here tomorrow morning 6/Sue learns (repair)...................household appliances 7/ The students (write) ..................an essay in Literature next week 8/Tina is good at (fix)......................things 9/We...
Đọc tiếp

1/my brother (listen).................to music in his free time

2/I hope that you (have) ...............a good time tomorrow

3/They are practing(score)....................goals

4/ We enjoy (listen)..................the rap music

5/He (not some) .......................here tomorrow morning

6/Sue learns (repair)...................household appliances

7/ The students (write) ..................an essay in Literature next week

8/Tina is good at (fix)......................things

9/We often (go)...................to English club after school

10/Your sister (be)...................a famous singer someday

11/Look!It (rain) ....................heavily

12/My classmate (study)....................Math very well

13/Everyone (go)........................indoor when the bell rings

14/We (have).....................an English test tomorrow

15/They (do)...................some experiments at the moment

16/We (study).................maps in Geography

17/ They always practice (score)..........................goals

18/She (have)....................Chemistry on Wednesday

19/What ..................you often (do) .................at recess ?

20/Students in the USA usually (not wear) .......................uniform

4
5 tháng 11 2017

1/my brother (listen) likes to music in his free time

2/I hope that you (have) will have a good time tomorrow

3/They are practing(score) score goals

4/ We enjoy (listen) listening the rap music

5/He (not some) won't the same here tomorrow morning

6/Sue learns (repair) to repair household appliances

7/ The students (write) will write an essay in Literature next week

8/Tina is good at (fix) fixing things

9/We often (go) go to English club after school

10/Your sister (be) will be a famous singer someday

11/Look!It (rain) is raining heavily

12/My classmate (study) studies Math very well

13/Everyone (go) goes indoor when the bell rings

14/We (have) will have an English test tomorrow

15/They (do) are doing some experiments at the moment

16/We (study) study maps in Geography

17/ They always practice (score) score goals

18/She (have) has Chemistry on Wednesday

19/What do you often (do) do at recess ?

20/Students in the USA usually (not wear) don't wear uniform

5 tháng 11 2017

1/my brother (listen).......LISTENS..........to music in his free time

2/I hope that you (have) ......WILL HAVE.........a good time tomorrow

3/They are practing(score)........SCORING............goals

4/ We enjoy (listen).......LISTENING ...........the rap music

5/He (not some) ........WILL NOT COME...............here tomorrow morning

6/Sue learns (repair).......TO REPAIR............household appliances

7/ The students (write) .........WILL WRITE .........an essay in Literature next week

8/Tina is good at (fix)..........FIXING............things

9/We often (go).......GO............to English club after school

10/Your sister (be).......WILL BE............a famous singer someday

11/Look!It (rain) .......IS RAINING.............heavily

12/My classmate (study).........STUDIES...........Math very well

13/Everyone (go)...........GOES.............indoor when the bell rings

14/We (have)........WILL HAVE.............an English test tomorrow

15/They (do)........ARE DOING ...........some experiments at the moment

16/We (study)........STUDY.........maps in Geography

17/ They always practice (score)............SCORING..............goals

18/She (have).........HAS...........Chemistry on Wednesday

19/What ........DO..........you often (do) ......DO...........at recess ?

20/Students in the USA DON'T usually (not wear) ..........WEAR .............uniform