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22 tháng 7 2016

1.These films were used for studying

They used these films for studying.

2.Is recycled paper being used ?

DO they use recycled paper?

3.Many tress are cut down to make paper

They cut down many trees to make paper.

4.The work will be finished on time

The will finish the work on time.

Chúc bạn học tốt ^^

22 tháng 7 2016

1. These film were used to for studying.

 => They used these films for studying.

2. Is recycled paper being used?

=> Do they use recycled paper?

3. Many tress are cut down to make paper.

=> They cut down many trees to make paper.

4. The work will be finish on time.

=> The will finish the work on time.