推荐回答（1个）
How to make the city cleaner
As is known to us, the polution of the air and water become more and more serious.and our city is becoming dirtier and dirtier. What should we do?
In my opinion, the most useful way to make our city clean is to reduce all kinds of polution. We shouldn't pour the dirty water into our rivers, or use too much petrol and coal. We should throw useless paper or plastic bags here and there. And we shouldn't spit on the ground.We should plant more trees in the city to make it greener and cleaner.
It is important for us all to pay attention to the environmental problems. And we should try our best to keep our city clean.
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