1. More trees should be planted to prevent floods and mudslides.

-> Câu bị động với "should": S + should be + Vpp

2. It often takes me 15 minutes to ride to school every day.

-> S + spend + thời gian + Ving/ on ST = It + takes + SO + thời gian + to V

3. If I had some money, I could buy this science book.

-> If 2 ( diễn tả điều trái với hiện tại ): If + S1 + V2/ed, S2 + would/could + Vinf 

4. He is not old enough to drive.

-> S + be + adj + enough + to V. 

Gửi bạn!

Cho mình câu trả lời hay nhất nha!

1.People should plant more trees to prevent floods and mudslides.

=> More trees should be planted to prevent floods and mudslides.

2.I often spend 15 minutes riding to school every day.

=> It often takes 15 minutes to ride to school everyday.

3.I do not have any money, so I can't buy this science book.

=> It is too expensive to buy this science book. / If I had money, I could buy this science book.

4.He can't drive because he is young.

=> He is not old enough to drive.

Chúc bạn học tốt!