3

1 How

2 ever

3 never

4 for

5 since

6 just

7 yet

2

1 haven't visited

2 hasn't flown

3 have traveled

4 have eaten

5 have made

6 has bought

5 The machine is so complicated that I don’t know how to use it

6 It took the astronauts two hours to orbit the Earth

7 Living in the city is not as safe as living in the country

8 We should cut down on the amount of salt we use every day

1 A new school will be built in this village soon

2 He asked me how often I phoned my grandparents

3 Because of the heavy rain, we delayed the match

4 If I knew more about IT, I could help you

1 don't you

2 a

3 in

4 most beautiful

5 looked through

6 although

7 get

11 She prefers to live in a large city

12 Only four hundred people live in this village

13 Sometimes it is hard to breathe in the city

14 They have gone to work in larger towns

15 I think living in the countryside is better

6 quiet

7 be

8 bigger

9 shopping

10 pollution

26 B

27 D

28 C

29 A

30 C

21 B

22 D

23 A

24 C

25 A

Mờ quá, em đăng lại nhé