How to keep environment clean.500字

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As we all know,it is important to keep our environment clean.But how can we realise the goal?
Here are my some advice on it.To start with,we must realise the importance of keeping our environment.Besides,we should do what we can to keep our environment clean.Last but not least,we should insist on doing it and never give it up halfway.Do you agree with me?
80字======以下答案可供参考======
供参考答案1:
可以去我给的参考资料看看 加油