1.  every subject made full use of all the time to give classes and reveiv .

2.  In my oppion , there is two reason : one, we must serve the society after finish our study, the more we know about the society, the more things we can do; another, we can make full use of our ability .

3.  First, I think, I would have a full use of these, such as magagizes , newspapers, TV, radios and so on.

4.  Firstly, we should save fresh water when we use it; Secondly, we should find ways to make full use of the waste water.

5.  Human beings have to treasure them and make full use of them.

6.  Firstly, we should make full use of usable fresh water and not waste it.

7.  Make full use of our fresh water and avoid the sources of fresh water to be polluted.

8.  So we should make full use of water to relieve the problem of shortage of water.

9.  We should save every drop of water and make full use of it.

10.  So we must find a way to make full use of water.