31.  We must save useing fresh water, control the population increasing and forbit the factories not to pollut fresh water.

32.  For one thing, we shall save water in daily .

33.  Now facilities that can save fresh water can be invented.

34.  We should think out some methods to solve it, such as controlling the population, avoiding pollution, saving water..

35.  Being members of the world, we should try our best to save water.

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

37.  Third, we should save our life water.

38.  Certainly, we should save fresh water and do our bit to reduce the use of water in industry.

39.  The most important thing is we shall save fresh water and use it efficiently.

40.  We should be conscious of saving fresh water.