how to save time70词英语作文

Some people think there Is much water on the earth.In fact,there is only a little water for us to use now.If we don't save it,it will surely be used out some day.There is little water in some area.so it is necessary to save water.
Then what should we do?
For example.First,when we finish washing the clothes,we can use the water to clean the floor.Second,After washing face,we can water the flowers with the used water.And you should turn off the shower when you are washing your hair.
Saving water is one of most important things in our life .everyone should do it.