III
1, If the factory weren’t located near our village, there would not be air pollution and noise pollution.
2, If the local had fresh water, they would not use water from the polluted river.
3, If trees and glasses could be grown here, the soil would not be badly polluted.
4, If Mr. Quang didn’t work in a noisy environment, his hearing would not become worse.
5, If the factory treated its waste well, there would not be serious water pollution.