11.  We must reduce the pollution to protect the resource of fresh water.

12.  Thirdly, we should plant trees as many as possible because forest can protect water effectively.

13.  As long as all of us do our bits in protecting the resource of water .

14.  Government should plan to protect the resource of fresh water and control population increasing , polution , industry increasing etc.

15.  Steps must be taken to protect the fresh water resources.

16.  In order to guard the glob and to protect ourselves, we should save fresh water as possible as we can.

17.  Some measure should be taken to protect fresh water.

18.  Second, we should protect our environment, and discrease the polution of water.

19.  Fresh water is never too much for us all to use, so we must protect fresh water source.

20.  Second we must protect the water sources from being polluted.