we should do something go save and protect water.

　　one: turn off the shower while you are washing your hair.

　　two: we can use the water that has washed vegetables to water plants

　　three: when you see someone is wasting water, come over and stop him.

　　four: don't pour the rubbish into the river.

　　though these are small things to protect water, i still thin they're important.
 

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