如何环保
2023-02-13
How to protect our environment has become one of the biggest problems in the world. We do everything can do a real difference to our environment.
We need to pick up litter around us. You' d better join a programme to protect our environment. You mustn' t cut down too many trees. We can protect factories from polluting the rivers.
We can do our best to keep the air clear! I hope everyone do these!
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