8 B

9 B

10 D

11 D

12 C

22 C

23 A

24 A

25 B

26 D

17 A

18 B

19 B

20 B

21 A

1 I have come up with an idea for our environment project

2 We can't see the stars at night due to light pollution

3 If I were you, I would wear earplugs when going to a concert

4 Scotland is famous for its rich culture as well as its amazing natural beauty

5 We decided to stay in Ho Chi Minh City for three more days

6 An international meeting on economic development took place in Singapore last week

7 David told Catherine that he was unable to read her writing

15 D

16 A

17 C

18 A

19 D

16 B

17 C

18 A

19 C

20 D

11 B

12 C

13 D

14 B

15 B

6 A

7 C

8 B

9 B

10 A

1 D

2 B

3 C

4 C

5 A

6 Hai asked me if Marie and Andy enjoyed swimming in my pool

7 My mother said that my father was going to Dalat the following week

8 Sally said that she was going to the bookshop

9 She asked if my father worked there

10 He asked me if I was a foreigner