8 She wanted to know why he didn't help her

9 He asked me if/whether I had seen that car

10 The mother asked the twins if/whether they had tidied up their room

11 Nam said (that) he was told to be at school before 7 o'clock

12 Thu said (that) all the students would have a meeting the following week

13 Phong said (that) his parents were very proud of his good marks

1 incalculable

2 instability

3 memorable

1 F

2 F

3 T

4 T

C

46 D

47 B

48 B

49 C

50 spend

41 A

42 D

43 C

44 D

45 B

36 C

37 B

38 A

39 A

40 B

31 A

32 B

33 A

34 B

35 B

16 D

17 C

18 D

19 B

20 D

11 A

12 B

13 B

14 B

15 A