急：6年级英语保护环境六句话,教室里的规则六句话
问题描述：
急：6年级英语保护环境六句话,教室里的规则六句话
格式：We must ,
We mustn't至少六句,最多10句,明天毕业考急
答
we mustn't walk on the grass.
we mustn't waste the water.
we must keep the water clean.
we mustn't throw the rabishes.
wu must keep the earth clean.在加几句话，，，，，，教室里的规则也帮忙弄下谢谢We mustn't pollue the earth.we mustn't run in the ciassroom.we must study hard.教室的规则在加4句话