1. C
2. D

_____________

3, A
4. A ⇒ takes
5. B ⇒ to drink

______________

6. A
7. C
8. B
9. C
10. A
11. A
12. A
13. D
14. A
15. D
16. A
17. C
18. D
19. A
20. A
21. C 
22. D
__________________
31. C
32. B
33. D
34. C
35. C
36. D
37. C
38. A
39. C
40. C

1, C – I like reading books.

2, D – Fine. Thanks.

3, A -> Playing

4, A -> takes

5, B -> to drink

6, A - mountainous

7, c – to work

8, B – were

9, C – attractive

10, A – was going to be

11, A – prevented

12, A – making

13, D – for

14, A – changed

15, D – had finished

16, A – laughing

17, C- if I had seen

18, D – would have given

19, A – which

20, A – the

21, C – was watching

22, D- to be invited

23-> 30: đề mờ

31, C – look after

32, B – tired

33, D – poor children from New York City.

34, C – over 10,000

35,C – children

36, D – All are correct

37, C – housework

38, A – I don’t want to meet the man who is my next door neighbor.

39, C – Peter apologized for being late

40, C – After jane had turned off the light, she went to bed.