Phần đầu đề mờ quá nên mình làm từ phần B

I

1, Have you ever come

2, have lived

3, have visited

4, is playing

5, see; will give

6, will not go; will be

7, had; would buy

8, is flying

9, is held

10, has Lan watched

11, got up; were

12, stayed; watched

13, ate

14, have done

15, had

16, has never read

17, started

18, play

19, buys

20, will save; don’t waste

II

1, education

2, entertaining

3, friendly

4, national

5, important

6, exhibition

7, discussion

8, well

9, organize

10, famous

11, player

12, polluting

13, environment

14, useful

15, improve