we can't live without water, but now the water was polluted. it is the biggest problem. it influences our daily life. so we should find a way to solve this problem. water is important resources. in our daily life, we often leave the tap on after cleaning hands. sometimes we often drop litter in the river. so the water was polluted by us. i think we could use a bottle of water two or three times. we have to turn off the tap after cleaning hands.
let's try to form a good habit and save things around us. let's do it from now on!