VI. Put the verbs in brackets into the correct tense: (2ms)

1. The first World war (start)……….. in 1939 and (finish) …………..in 1945.

2. When he last (see) Nam?

3. I (visit) my mother last weekend.

4. After we (finish) our work, we (go) home.

5 When my teacher (retire) last year, he (work) as a teacher for 20 years.

6. I want to know how (use) this machine.

7. I can’t help (laugh) when you see him.

8. My mother decided (stay) at home .

9. The lecture already (start) before we arrived.

10. When I got to the supermarket ,I (realize) that I (leave) all the money at home

11.Do you enjoy (watch) TV?

12. This novel is worth (read).

13. Before he (buy) that car last month, he (save) money.

14. He (not sign) the contract until he (talk) to the lawyer.

15. Yesterday we(not have) lunch because when we (come) home, I (realise) that the dog (eat) all the food.

16. I am not in a hurry. I don’t mind (wait)

17. It was a film that I (never hear ) of before.

18. He wanted (improve) his health. 

19. Would you like (go) out?

20. We’d rather  (die) than (be) slave.

21. She regretted ...............................(not / go) to the concert.

22. Thank you for...................(let) us ........................(service) your car.

23. It is likely.......................(snow) in the far north this morning.

24. You don’t need.........................(clean) the floor.

25. Ngoc is looking forward to ....................(see) Linda.

26. I must remember...........................(ring) the dentist.

27. I remember .....................(go) there last year.

28. My clothes need........................(iron)

29. ................................(Swim) is good for you.

30. Can you show me how……………………..(get) to the station?

31. It’s no use……………. (tell) him about your feeling . He’ll never regret ……………..( hurt) you.

32. I do not mind ………. (look) after the children but I hate………… (do) the housework.

33. George has no intention of ………….. (leave) the city. He wants……………. ( live ) here all his life

34. When a young man, he used …………………..( jog )  every morning.

36. I decided .................................(speak) to her again.

37. The river became deeper after it........................(rain) heavily.

38.  The sun had set before I...............................( be)  ready to go.

39 He had already learnt English before he ........................(leave)  for England.

40.  Why didn’t you go to the doctor after I .......................(tell) you to?

41.  It.....................(rain) yesterday after it ....................(be) dry for many months.

42.  He took the money after I .......................(ask) him.

 43. My friend....................(not / see) me for many years when I .......................(meet) him last week.

44. He died after he ...........................(be) ill a long time

IV. Decide whether the underlined parts in the following sentences correct or incorrect, if it is correct, put a tick v, if not, correct it 

1. Let me to know your idea.

2. My friend doesn’t get used to drive on the left.

3. She is looking forward to hear  from her family.==>hearing

4. This book is worth to read.

5. Do you feel like to go out for dinner with me?

6.  Would you rather go  out for a walk?

7. Nothing will make me  change my mind.

8. We are too busy to go  to the cinema with you.

9. We spend two hours to learn English everyday.    

10. His trousers need to cut a little shorter. 

11. He is busy to do homework.

12. I forget to meet him before. His name is Nam.

13. Please stop to make noise. I am concentrating to work.

14. Minh stops working because he is tired.

15. Nam and Nga missed to watch the TV last night.

16. The man suggested going camping. 

17. We don’t allow students riding motorbike. 

18. Remember turn off the light before going to bed.

19. Nga avoids go out  at night.

20. They recommend students to prepare the lesson before coming to class.

21. I tried to study hard to pass the exam.

22. She used to live in Ho Chi Minh city.

23.  I prefer watching television  to read books

24 I’d rather earn my living by cleaning the floor than to make money by stealing.

25. Tom wanted to help his  sister do the cleaning last Sunday.

26. The flowers need watered.

john's father agreed to buy him a new bike ______ he took lesson.

A. in case B.supposing that C.as long as D.unless

_________ your motorbike broke down in the desert,would you be able to mend it yourself?

A. Unless B. Supporsing C.In case D.Given

Viết chương trình đếm các số chẵn trong dãy số nguyên a có n phần tử n 200