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6. One/ famous/ invention/ Thomas Edison/ electronic light bulbs.

17. Hoi An/ be/ World Cultural Heritage / 1999.

18. It/ easier/ learn / how/ swim/ when/ we / young.

19. “balanced diet”/ mean/ eat/ variety/ foods/ eat/ much/ anything.

20. Hans Christian Andersen,/ Danish/ author, / grow/ poor family/ want / be / actor.

21. Uncle Ho/ become/ President/ age/ 55.

22. newspapers/ on/ racks/ corner/ right.

__________________________________________________________________

23. farmer/ tell/ tiger/ he/ have/ call/ wisdom.

24. The Youth Union/ found/ March 26, 1931/ beloved President Ho Chi Minh.

25. How/ care/ the man/ drive / car!

*DL 17-18: pronounced differently from the others. Write your answers in the answer box below (1pt)

1. A. horrible B. hour C. hundred D. hold

2. A. teenager B. together C. guess D. regular

3. A. stove B. moment C. sometimes D. close

4. A. receive B. score C. scout D. comics

5. A. meat B. health C. teacher D. seat

Question 2: Choose the one word or phrase A, B, C or D that best completes the sentence.

6. If you want to live long, you ___ eat much red meat. A. should B. needn’t C. have to D. shouldn’t

7._I playing board games interesting because I can play them with my friends.

A. think B. find C. say D. tell

8. This summer Lan three volunteer activities.

A. has participated in B. participated in C. participates in D. participating in

9. Before moving to Ha Noi, my parents in Hai Phong.

A. have lived B. have been living C. lived D. live

10. You’ll become healthier if you consume soft drinks. A. more B. less C. much D. fewer

11. “ Can you tell me the way to the bookshop?”

A. Thank you B. All right C. Listen D. Excuse me

12. The doctor says my father will become ill he stops smoking. A. unless B. until C. when D. if

13. He bought books and then left for home. A. much more B. a few C. a lot D. a little

14. A: “Thanks a lot for a lovely dinner” B: “ ________”

A. It’s all right B. You’re welcome C. Thank you too D. Please don’t say so

15. “ to England? –Yes, I went there three years ago.

A. Did you ever go B. Have you ever gone C. Have you ever been D. Were you ever

16. The University in Ha Noi in 1906. A. built B. was built C. has built D. has been built

17. Does your bike ever down on the way to school? A. break B. take C. do D. turn

18. I go on foot when I was in primary school. A. have to B. used to C. can D. may

19. I stood in the balcony to catch the whole of the parade. A. view B. picture C. sight D. show

20. Although they spend a lot of money on the film, it wasn’t a big .

A. performance B. failure C. success D. show

Question 3: Use the correct form or tense of the word given in each sentence.

21. I’m Vietnamese. What’s your ____________? (NATION)

22. A lot of _______ and artistic activities are held at part of the Flower Festival. (CULTURE)

23. Edison’s most famous was the electric buld. (INVENT)

24. After taking an aspirin, her headache (APPEAR)

25. The she gave last night was marvelous. (PERFORM)

26. Our teacher always us to work hard. (COURAGE)

27. The in his province is very dramatic. (LAND)

28. Television is one of the cheapest forms of . (ENTERTAIN)

29. You should do morning exercises to have a _________ body. (HEALTH)

30. There are about 200 ________ in this company. (EMPLOY)

Question 4: Choose the words or phrases that are not correct in standard English.

31. What happens to the grass when it is sending to the factory.

32. This kind of jacket is considered to be very fashion these day.

33. You look tired. You’d better staying inside at recess.

34. If I will have to make a difficult decision, I always discuss it with my friends.

35. She told me to shut the door but don’t lock it

36. The most common traffic problem in the city around the world is traffic jams.

37. Thanksgiving is traditional celebrated with a feast among family and friends.

38. Villagers voluntarily contributing money and other things to celebrate the festival.

39. The film is about sinking of the ship Titanic on their first voyage.

40. Tom Hanks is one of the most famous and rich actors in Hollywood.

2
19 tháng 12 2018

6. One/ famous/ invention/ Thomas Edison/ electronic light bulbs.

one of the famous inventions of Thomas Edison is electronic light bulbs.

17. Hoi An/ be/ World Cultural Heritage / 1999.

Hoi an was the World Cultural Heritage in 1999

18. It/ easier/ learn / how/ swim/ when/ we / young.

it is easier to learn how to swim when we were young

19. “balanced diet”/ mean/ eat/ variety/ foods/ eat/ much/ anything.

“balanced diet” means we eat a variety of foods without eating too much anything.

20. Hans Christian Andersen,/ Danish/ author, / grow/ poor family/ want / be / actor.

Hans Christian Andersen,Danish author, grew in a poor family and wanted to be actor .

21. Uncle Ho/ become/ President/ age/ 55.

Uncle Ho became the President at the age off55.

22. newspapers/ on/ racks/ corner/ right.

_________newspapers are on the racks in the corner to the right._________________________________________________________

20 tháng 12 2018

6. One/ famous/ invention/ Thomas Edison/ electronic light bulbs.

one of the famous inventions of Thomas Edison is electronic light bulbs.

17. Hoi An/ be/ World Cultural Heritage / 1999.

Hoi an was the World Cultural Heritage in 1999

18. It/ easier/ learn / how/ swim/ when/ we / young.

it is easier to learn how to swim when we were young

19. “balanced diet”/ mean/ eat/ variety/ foods/ eat/ much/ anything.

“balanced diet” means we eat a variety of foods without eating too much anything.

20. Hans Christian Andersen,/ Danish/ author, / grow/ poor family/ want / be / actor.

Hans Christian Andersen,Danish author, grew in a poor family and wanted to be actor .

21. Uncle Ho/ become/ President/ age/ 55.

Uncle Ho became the President at the age off55.

22. newspapers/ on/ racks/ corner/ right.

_________newspapers are on the racks in the corner to the right._________________________________________________________

I. Rewritten sentences must contain the exact word in bracket. 1. He usually wore Jeans when he was young. He used _______________________________________________________________ 2. Have you ever played a computer game before Is this ________________________________________________________________ 3. “Do you know the name of the person who first climbed Mount Everest? He said He asked me ___________________________________________________________ 4. Although they were...
Đọc tiếp

I. Rewritten sentences must contain the exact word in bracket.

1. He usually wore Jeans when he was young.

He used _______________________________________________________________

2. Have you ever played a computer game before

Is this ________________________________________________________________

3. “Do you know the name of the person who first climbed Mount Everest? He said

He asked me ___________________________________________________________

4. Although they were poor, the children seemed very happy.

Despite_______________________________________________________________

5. It snowed heavily, so we couldn’t arrive home early.

The snow was so _______________________________________________________

6. They live in a very lovely house.

The house ____________________________________________________________

7. She sorry she can’t play the piano

She wishes ____________________________________________________________

8. I don’t normally have coffee for breakfast.

I am not used __________________________________________________________

9. We haven’t been to the concert for over a year.

The last time ___________________________________________________________

10. Reading newspapers in the morning gives him pleasure.

He enjoys _____

Question 2: Complete the second sentence so that it has a similar meaning to the first sentence

11. I’m willing to help you repair the radio (mind)

I ____________________________________________________________________

12. She has never seen a more unusual festival than this. (most)

This is _______________________________________________________________

13. We had a choice of three main courses for dinner. (choose)

We could ______________________________________________________________

14. We have to go to bed early. (allowed)

We ___________________________________________________________________

15. Could you speak English when you were younger? (able)

When you were _________________________________________________________

Question 3: Use the words given to make meaningful sentences.

16. One/ famous/ invention/ Thomas Edison/ electronic light bulbs.

17. Hoi An/ be/ World Cultural Heritage / 1999

18. It/ easier/ learn / how/ swim/ when/ we / young.

19. “balanced diet”/ mean/ eat/ variety/ foods/ eat/ much/ anything

20. Hans Christian Andersen,/ Danish/ author, / grow/ poor family/ want / be / actor.

21. Uncle Ho/ become/ President/ age/ 55.

22. newspapers/ on/ racks/ corner/ right

______________________________________

23. farmer/ tell/ tiger/ he/ have/ call/ wisdom.

24. The Youth Union/ found/ March 26, 1931/ beloved President Ho Chi Minh.

25. How/ care/ the man/ drive / car!

Cac ban oi giups mik voi
2
19 tháng 12 2018

I. Rewritten sentences must contain the exact word in bracket.

1. He usually wore Jeans when he was young.

He used to wear Jeans when he was young.

2. Have you ever played a computer game before

Is this the first time you have played computer game

3. “Do you know the name of the person who first climbed Mount Everest? He said

He asked me if i knew the name of the person who first climbed Mount Everest

4. Although they were poor, the children seemed very happy.

Despite the fact that they were poor, the children seemed very happy.

5. It snowed heavily, so we couldn’t arrive home early.

The snow was so heavy that we couldn’t arrive home early.

6. They live in a very lovely house.

The house where they live is lovely

7. She sorry she can’t play the piano

She wishes she could play the piano

8. I don’t normally have coffee for breakfast.

I am not used to having coffee for breakfast.

9. We haven’t been to the concert for over a year.

The last time we were in the concert was over a year ago

10. Reading newspapers in the morning gives him pleasure.

He enjoys Reading newspapers in the morning

Question 2: Complete the second sentence so that it has a similar meaning to the first sentence

11. I’m willing to help you repair the radio (mind)

I don't mind helping you repair the radio

12. She has never seen a more unusual festival than this. (most)

This is the most unusual festival She has ever seen

13. We had a choice of three main courses for dinner. (choose)

We could choose three main courses for dinner.

14. We have to go to bed early. (allowed)

We aren't allowed to stay up late

15. Could you speak English when you were younger? (able)

When you were able to speak English

@Nguyễn Nhật Minh

20 tháng 12 2018

. Rewritten sentences must contain the exact word in bracket.

1. He usually wore Jeans when he was young.

He used to wear Jeans when he was young.

2. Have you ever played a computer game before

Is this the first time you have played computer game

3. “Do you know the name of the person who first climbed Mount Everest? He said

He asked me if i knew the name of the person who first climbed Mount Everest

4. Although they were poor, the children seemed very happy.

Despite the fact that they were poor, the children seemed very happy.

5. It snowed heavily, so we couldn’t arrive home early.

The snow was so heavy that we couldn’t arrive home early.

6. They live in a very lovely house.

The house where they live is lovely

7. She sorry she can’t play the piano

She wishes she could play the piano

8. I don’t normally have coffee for breakfast.

I am not used to having coffee for breakfast.

9. We haven’t been to the concert for over a year.

The last time we were in the concert was over a year ago

10. Reading newspapers in the morning gives him pleasure.

He enjoys Reading newspapers in the morning

Question 2: Complete the second sentence so that it has a similar meaning to the first sentence

11. I’m willing to help you repair the radio (mind)

I don't mind helping you repair the radio

12. She has never seen a more unusual festival than this. (most)

This is the most unusual festival She has ever seen

13. We had a choice of three main courses for dinner. (choose)

We could choose three main courses for dinner.

14. We have to go to bed early. (allowed)

We aren't allowed to stay up late

15. Could you speak English when you were younger? (able)

When you were able to speak English

21 tháng 2 2019

viet lai cau

1. it/easier/learn/how/swim/when/we/young.

=>It is easier to learn how to swim when we were young

2. famer/tell/tiger/he have/ call/wisdom

=> The farmer told the tiger that he had something called wisdom

3. how /care/the man/drive/car!

=> How careless the man driving the car is!

21 tháng 2 2019

3. How carelessly the man drives the car!

được không nhỉ???

26 tháng 4 2018

Hans Christian Andersen was a Danish author. He grew up in a poor family, and he wanted to be an actor. Later, a friend of his paid for his education at Copenhagen University. He wrote novels, plays, poetry and travel books. However, he became most famous for the fairy tales he wrote between 1835 and 1872.He died in 1875 at the age of 70.

26 tháng 4 2018

-Nhanh thật luôn,vừa định gõ thì đã thấy câu trả lời rồi

Read and then answer the questions. Ho Chi Minh Communist Youth Union is an organization for Vietnamese youth from 16 to 30 years of age. The Youth Union builds good character, love for the nation, and encourages good citizenship, soft skills and personal fitness. The Youth Union was founded on 26th March 1931 by the beloved President Ho Chi Minh. It had different names over the years. One of its first names was “Vietnam Communist Youth Union”. In December 1976, it was officially...
Đọc tiếp

Read and then answer the questions.

Ho Chi Minh Communist Youth Union is an organization for Vietnamese youth from 16 to

30 years of age. The Youth Union builds good character, love for the nation, and encourages

good citizenship, soft skills and personal fitness.

The Youth Union was founded on 26th March 1931 by the beloved President Ho Chi Minh.

It had different names over the years. One of its first names was “Vietnam Communist Youth

Union”. In December 1976, it was officially named as it is called today: Ho Chi Minh

Communist Youth Union. However, people normally use the name “The Youth Union” for short.

The Youth Union, together with other organizations such as The Young Pioneers

Organization, the Vietnam Youth Federation, the Vietnam Students Union, often hold social

activities such as Helping the Handicapped, Cleaning the Environment, Green Summer

Volunteers Campaign, and other similar movements. These activities aim to help the young

develop their public awareness and form their personality.

Ever since the Youth Union was founded, its aims and principles, established by President

Ho Chi Minh have been the guidelines for the young Vietnamese people of today and tomorrow.

31. At what age can one join the Youth Union?

32. When was the Youth Union founded?

33. What is the complete name of the Youth Union?

34. What do social activities of the Youth Union aim to help?

35. Who established the guidelines for the Vietnamese youth?

Use the given words to make sentences.

36. She / like / learn English/./

37. She / learn / this language /since 2008/./

38. She / always / want / improve her English/./

39. She / buy / an English -Vietnamese dictionary/ last week /./

40. / Her/ English /pronunciation / so/ bad/./

1
20 tháng 3 2017

*Read and then answer the questions.

31. For Vietnamese youth from 16 to

32. The Youth Union was founded on 26th March 1931.

33. Ho Chi Minh Communist Youth Union

34. Helping the Handicapped, Cleaning the Environment, Green Summer.

35. Ho Chi Minh have been the guidelines for the young Vietnamese people of today and tomorrow.

*Use the given words to make sentences.

36. She / like / learn English/./

She likes learn English.

37. She / learn / this language /since 2008/./

She has learnt this language since 2008.

38. She / always / want / improve her English/./

She always wants to improve her English.

39. She / buy / an English -Vietnamese dictionary/ last week /./

She bought an English-Vietnamese dictionary last week.

40. / Her/ English /pronunciation / so/ bad/./

Her English pronunciation is so bad.

21 tháng 9 2018

Read and answer the questions below:

We know that the food we eat affects our whole life, so we must remember to eat sensibly. We should have a balanced diet. What does a "balanced diet" mean? It means you eat a variety of food without eating too much of anything. Moderation is very important. Eat the food you enjoy, but don't have too much. This will help you stay fit and health.

1. Does the food we eat affect out life? No, it doesn't

2. How should we eat? We should have a balanced diet

3. Wwhat does a "balanced diet" mean?It means you eat a variety of food without eating too much of anything.

4. Should we eat the food we enjoy?Yes,we should but don't have too much

5. What wull a "balanced diet" help you?This will help you stay fit and health.

+kết hợp các nhân vật với các thành tựu tương ứng: 1.president Ho Chi Minh 2.General Vo Nguyen Giap 3.Thomas Edison 4.Hans Chiristian Abdersen 5.William Shakespeare 6.Jacpues Cousteau 7.Walt Disney 8.Leonardo de Vinci a.wrote over thirty-seven famous plays such as Hamlet,Romeo and Juliet b.painted the famous painting"Mona Lisa" c.invented the electric light bulb d.invented a deep=sea diving vessel e.wrote many famous fairy tales f.led the Poeple's Army of Viet...
Đọc tiếp

+kết hợp các nhân vật với các thành tựu tương ứng:

1.president Ho Chi Minh

2.General Vo Nguyen Giap

3.Thomas Edison

4.Hans Chiristian Abdersen

5.William Shakespeare

6.Jacpues Cousteau

7.Walt Disney

8.Leonardo de Vinci

a.wrote over thirty-seven famous plays such as Hamlet,Romeo and Juliet

b.painted the famous painting"Mona Lisa"

c.invented the electric light bulb

d.invented a deep=sea diving vessel

e.wrote many famous fairy tales

f.led the Poeple's Army of Viet Nam at Dien Bien Phu

g.made famous cartoons such as"Tom and Jerry","Mickey Mouse",etc

h.founded the Vietnamese Communist Party

+điền giới từ

1.Tourist like to listen.....traditional music when going.....boat.....the Huong River

2.Viet Nam is famous......a lot of ancient monuments

3.President HCMinh was born....1890......Nghe An

4.Uncle Ho grew.......in a patriotic family

5.My uncle is a plot.He flies.........different countries in Asia

6.Viet Nam has thousands of kilometers.......beaches

7.Do you know a lot General Giap?

8.Although he was born....a poor family,he got a high education by himself

9.Nam is better.....speaking english than writing it

10.David's uncle paid...his ducation....university

+Dùng dạng đúng của động từ

1.If you dive in the ocean,you can see.....corals and fish (color)

2.South-east Asia has many tourist .....(attraci)

3.You can enjoy Thai...music during this show(tradition)

4.Michael Faraday made a lot of.....in the field of electricity(invent)

5.Thomas Edison was an American.........His most famous........was the electric light bulb(invent)

6.......plays an importantrole in the ......of our country(tourist-develop)

7.Vietnamese people are famous for their....(hopital)

8.She borrows books from the library.....(regulary)

9.The battle of Dien Bien Phu(end)....the Indo-China war

10.When(Uncle Ho/leave).......Viet Nam?-He (leave)....Viet Nam in 1911

11.The people's Army of Viet Nam(win).....the battle at Dien Bien Phu in 1954

12.Jakarta(be)...the capital of Indonesia

13.Hans Christian Andersen(write).....many novels,plays,poems,and fairy tales

+viết câu hỏi cho phần gạch chân

1.There are colorful corals and fish in the ocean

2.Dien Bien Phu is only 30 kilometers from the Lao's border

3.Hans Chirstian Andersen was born in Demark in 1805

4.General Giap's forces defeated the French in 1954

5.Thomas Edison was known all over the world because he invented the electric light bulb

6.During his life time Edison invented over 1,300 things

3
23 tháng 4 2017

1 at to on

2 for

3 in in

4 up

5 to

6 of

7 0

8in

9 at

10 to in

20 tháng 4 2017

mình viết thiếu phần cuối nha

1.colorful corals and fish

2.only 30 kilometers

3.in Denmark in 1805

4.in 1954

5.because he invented the electric light bulb

6.over 1,300 things

mình đang cần gấp lắm nha

16 tháng 4 2017

I .

1 . Eating and talking with friends are the most common ways of relaxing at recess in many countries

2 . ''Balanced diet '' means you eat a variety of foods without eating too much of anything

II .

1 . The water was not warm enough for the children to swim in it

2 . It's a five - floor building

16 tháng 4 2017

I .

1 . Eating and talking with friends are the most common ways of relaxing at recess in many countries

2 . ''Balanced diet '' means you eat a variety of foods without eating too much of anything II .

1 . The water was not warm enough for the children to swim in it

2 . It's a Ñve - Òoor building

12 tháng 1 2017

1. Hans Christisan Andersen was a Danish author . He (grow) grew up in a poor family

2. Minh didn't visit the museum with his class last Sunday because he (catch) caught a cold

3. Look ! That plane is flying towards the airport. It (land) is landing.

4. How often does your uncle go to the hospital (have) to have a medical check-up ?

5. Take these pills and you (fell) will fell better then, Ba !

PUT THE VERB INTO THE CORRECT FORM 1. We (live) in this house since 1970 that is to say ever since my father (die). He (come) to this country twelve years ago. He (be) born in South America and (live) there until he (get) married. 2. You (see) Mrs. Chi lately? - yes. I (see) her at the school gate three day ago. 3. As soon as I have enough money. I'll buy a new car. 4. I (not use) the car this evening, so you can have it. 5. I (walk) along the street when I suddenly (feel) something hit me...
Đọc tiếp

PUT THE VERB INTO THE CORRECT FORM

1. We (live) in this house since 1970 that is to say ever since my father (die). He (come) to this country twelve years ago. He (be) born in South America and (live) there until he (get) married.

2. You (see) Mrs. Chi lately? - yes. I (see) her at the school gate three day ago.

3. As soon as I have enough money. I'll buy a new car.

4. I (not use) the car this evening, so you can have it.

5. I (walk) along the street when I suddenly (feel) something hit me in the back. I (not know) what it was.

6. My brother is an architect. He loves (design) new buildings.

7. They decided (not go) to the cinema.

8. There is no point in (arrive) half an hour early.

9. I found a tree (lie) across the road. I wasted hours (look) for this book.

10. Pardon me for (be) late. It is very kind of you (wait) for me.

11. I still remember for (hear) her (sing) this song.

12. I distinctly remember (pay) him. I gave him 2 dollars.

13. If only he (know) then that the disease was curable.

14. The teller was made (lie) down on the floor.

15. You risk (lose) your money when you put it into that business.

16. It is difficult to get used to (eat) with chopsticks I prefer (drive) to (be driven).

17. I'll never forget (meet) her years ago.

18. She was made (pay) back the money.

19. He described the accident as if he (see) it himself.

20. Has he learnt the poem, he (tell) her about it.

21. Can you see that I'm busy (write)?

22. Hardly I (arrive) when a quarrel broke out.

23. How you (get) on at school?

24. Hardly he (take) up the book when the phone ring.

25. Coming into the room he (see) Mary where he (leave) her.

26. It's time we (leave) for the airport.

27. Is there anything here worth (buy)?

28. Provided you leave now, you (catch) the train.

29. As long as you (use) my car carefully, you can lend you some days.

30. The committee recommends that the annual subscription (be) increased to $3.

31. God save the Queen.

32. My sister (talk) to his pen pal on the phone at the moment. They (not contact) each other for a long time.

33. Jeans (make) about 2 hundred years ago, and now they (sell) in every corner of the world.

34. I wish I (have) a good English-Vietnamese dictionary.

35. If there (be) too much exhaust fume in the air, more and more people (cope) with respiratory problems.

36. I suggest (burn) coal to heat the house.

37. I think we should (speak) English in the class.

38. These students (learn) English since they (be) five.

39. Who (invent) telephone?

40. Lan (write) to her pen pal for three years, and they (meet) each other last week.

1
15 tháng 5 2018

1. We (live)have lived in this house since 1970 that is to say ever since my father (die)died. He (come)came to this country twelve years ago. He (be)was born in South America and (live)lived there until he (get)got married.

2. HaveYou (see)seen Mrs. Chi lately? - yes. I (see)saw her at the school gate three day ago.

3. As soon as I have enough money. I'll buy a new car.

4. I (not use)don't use the car this evening, so you can have it.

5. I (walk)was walking along the street when I suddenly (feel)felt something hit me in the back. I (not know)don't know what it was.

6. My brother is an architect. He loves (design)designing new buildings.

7. They decided (not go)not to go to the cinema.

8. There is no point in (arrive)arriving half an hour early.

9. I found a tree (lie)lying across the road. I wasted hours (look)looking for this book.

10. Pardon me for (be)being late. It is very kind of you (wait)to wait for me.

11. I still remember for (hear)hearing her (sing)to sing this song.

12. I distinctly remember (pay)to pay him. I gave him 2 dollars.

13. If only he (know)knew then that the disease was curable.

14. The teller was made (lie)to lie down on the floor.

15. You risk (lose)losing your money when you put it into that business.

16. It is difficult to get used to (eat)eating with chopsticks I prefer (drive)driving to (be driven)being driven.

17. I'll never forget (meet)to meet her years ago.

18. She was made (pay)to pay back the money.

19. He described the accident as if he (see)saw it himself.

20. Has he learnt the poem, he (tell)would have told her about it.

21. Can you see that I'm busy (write)writing?

22. Hardly I (arrive)had arrived when a quarrel broke out.

23. How doyou (get)get on at school?

24. Hardly he (take)took up the book when the phone ring.

25. Coming into the room he (see)sees Mary where he (leave)left her.

26. It's time we (leave)left for the airport.

27. Is there anything here worth (buy)buying?

28. Provided you leave now, you (catch)will catch the train.

29. As long as you (use)use my car carefully, you can lend you some days.

30. The committee recommends that the annual subscription (be)was increased to $3.

31. God save the Queen.

32. My sister (talk)is talking to his pen pal on the phone at the moment. They (not contact)haven't contacted each other for a long time.

33. Jeans (make)were made about 2 hundred years ago, and now they (sell)are sold in every corner of the world.

34. I wish I (have)will have a good English-Vietnamese dictionary.

35. If there (be)is too much exhaust fume in the air, more and more people (cope)will cope with respiratory problems.

36. I suggest (burn)burning coal to heat the house.

37. I think we should (speak)speak English in the class.

38. These students (learn)have learnt English since they (be)were five.

39. Who (invent)invented telephone?

40. Lan (write)has written to her pen pal for three years, and they (meet)met each other last week.