2.I'm disappointed that people have spoiled this area.

3.Polluted water can directly kill fish and do harm to people's health.

4.If we use banana leaves to wrap food, it would be better.

5.Put garbage bins around the school yard to prevent lazy students from throwing trash.

6.What will happen to the boy if he keeps on asking his mother such questions?

7.I would suggest that your company should tell your drivers to clear up al the trash before leaving.

8.I think that local authorities should prohibit and fine heavily anyone catching fish in this way.

9.When the trucks leave the place, the ground is covered with trash.

10.I look forward to hearing from you and seeing good response from your company.