I

1, B – was built

2, D – to sell

3, A – being followed

4, B – are built/ were built

5, B – will be held

6, A – spoken

7, C- ever been bitten

8, D – has been bought

9, A – is done

10, C – be finished

II

11, C – Their complaints should be sent to the boss.

12, D – A lot of questions will be given at the interview

III

16, The teacher told Nam to come into his office.

17, Nga said to her brother that she wanted to go shopping with him that afternoon.

18, He said that he wanted to be a singer.

19, She said that she would buy a new bike the following week.

20, She said that she didn’t know what Mai was doing then.

21, Lan told me not to forget to send my parents her regards.

22, Mary said to John that she could go to the movies with him.

23, Linh asked her friend to turn off the light before going out.

24, I told him to stay at home.

25, My mother told the kids to stop fighting.

26, The teacher asked me not to make noise in the class.

27, His mother said that she could speak English well.

28, The child asked the beggar if he was very poor.

29, He said to Lan that he would visit Ha Long Bay.

30, The police asked me where I had stayed the previous night.

I.
 Question 1: B
 Question 2: D
 Question 3: C
 Question 4: C
 Question 5: D
 Question 6: A
 Question 7: A
 Question 8: C
 Question 9: A
 Question 10: B
II.
 Question 11: A
 Question 12: B