关于环保的英语作文,要200词,
问题描述：
关于环保的英语作文,要200词,
答
The earth is crying.So we mustn't pollute（污染）the enronment. We should protect it. We mustn't leave rubbish everywhere. We mustn't smoke in public places（在公共场所）.We mustn't walk on the grass....