I

1, D – news

2, C – flood

3, B – prevent

4, B- Japanese

II

1-2, were; would you do

3-4, have done; go

5-6, will not lose; eat

7, was built

8, had left

9, has been played

III

1, poisonous

2, culture

3, pollution

4, contaminated

IV

1, …has been stolen

2, …he works hard, he will not pass the exam.

3,… If I had free time, I could go somewhere.

4, … Vy ate a lot last night, she had a stomachache.

5, … my mother had gone to work, I got up.

V

1, had started

2, is often called

3, had stopped

4, will be

VI

1, with

2, negative

3, for

4, In

VII

1, Will he still be sleeping; will be studying

2, will be having

3, will be eating

4, Will she be staying; will be writing

5, will be playing

6, will be learning.

VIII

1, watching

2, to go

3, to say

4, to call

5, using

6, to have

7, working

8, to contact

Mình trình bày trong hình nhé ^^