VI

1 are- will damage

2 were- would

3 won't be

4 reduce- will pay

5 will unbalance

VII

1 danger

2 contamianted

3 pressure

4 polluted

5 dead

VIII

1 If people cared much more about environment, they would n't keep making it worse

2 Since she drank contaminated water in a long time, she suffer from a serious disease

3 If the drainage system wasn't damaged, there would be enough water for the crop

4 If I turned off some lights in the house, I would reduce my eyestrain

5 If the public transport system improved, it would encourage more people to use