1 What can be done to protect people from_____________________ disasters?

-> C environmental

* Trước danh từ "disasters" cần tính từ.

2 If the local people had fresh water, they wouldn't have to use water from the polluted river.

-> If 2: If + S1 + V2/ed, S2 + would + Vinf.

3 If  the soil weren't be badly polluted, trees and grasses could grow here.

-> If 2: If + S1 + V2/ed, S2 + would + Vinf.

1/C

2/If the local people had to use water from the pollutd river, they wouldn't have fresh water

3/If the soil was goodly polluted, trees and grasses could grow here

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