1.Please remember to turn off the radio before you go out. 

2.It was very kind of her to lend you the money.                                      

3.Eating a lot of vegetables is very necessary for everyone.             

4.The students often collect waste paper for recycling.                          

5.I can't stand traveling by underground. 

6.Do you mind opening the door for me?       

7.Don't try to persuade me.Nothing can make me change my mind.  

8.I like (think) carefully about things before making decision.   

9.Our head teacher makes us to wear jackets even in summer. 

10.He tried to deny having taken the money,but nobody believed him.

36. unhealthy

37. urbanized

38. successfully

39. flights

40. contestants

41. smoked

42. being laughed

43. has lived

44. sold

45. were playing

31. different

32. pronunciation

33. hopeless

34. performers

35. windy

1. does → do

2. has → have

3. afternoons → afternoon

4. in → on

5. does → do

1. Human beings are the worst pollution on Earth.

2. They're definitely price-fixing I know you can get them for half the price down the road.

3. The misery of those who have nowhere to live is ignored.

4. Some countries are populated but lack of many things

5. In some countries, giving birth of women in remote areas is uncontrollable.

Tom not only spent all his money but also borrowed some from me.

1. Water consumption is increasing this summer. 

2. They spend a luxurious weekend at a country hotel.

3. I think we should use energry more efficiently.

4. With my small salary, I can't afford basic necessities like food, rent and fares. 

5. Farm products are always exported. 

6. The new laws will be effective next month. 

7. Mr. Pike is leaving the company next month, so we need to find a replacement.

8. We can protect the environment by reducing air pollution. 

9. We're pleased that they are working effectively.

10. Her appearance is unnecessary today. We don't need her. 

1. A. tested    B. marked    C. presented    D. founded

2. A. used    B. finished    C. married    D. rained

3. A. allowed    B. dressed    C. flashed    D. mixed

4. A. switched B. stayed C. believed D. cleared

5. A. recommended B. waited C. handed D. designed

6. A. annoyed B. phoned C. watched D. remembered

7. A. hurried B. decided C. planned D. wondered

8. A. posted B. added C. managed D. arrested

9. A. dreamed B. neglected C. denied D. admired

10. A. admitted B. advanced C. appointed D. competed

11. A. announced B. apologized C. answered D. argued

12. A. complained B. applied C. compared D. polished

13. A. declared B. exchanged C. excused D. joined

14. A. contributed B. jumped C. introduced D. vanished

15. A. whispered B. wandered C. sympathized D. sentenced

Question I. Rewrite the sentences as directed.

1. Lan started studying English five years ago and she still studies it.

→ Lan has been studying English for five years.

2. The sun was shining. It wasn’t very warm.

→ Although the sun was shining, it wasn't very warm.

3. Nam doesn’t live with his parents any more.

→ Nam used to live with his parents.

4. Never talk with food in your mouth.

→ You shouldn't talk with food in your mouth.

5. I like traditional dances better than modern ones.

-> I prefer traditional dances to modern ones.

Question III- Use the suggested words and phrases to make meaningful sentences.

1. We were having the dinner when telephone rang.

2. We spent two hours repairing the windows yesterday.