At school, we have many rules. We have to wear school uniforms and we can't arrive school late. We can't run or play ball games in the classroom. We can't fight. We have to do our homework by ourselves and we can't copy others.呢个。。。。能帮忙在写一篇吗。。。。。谢为什么还要再写？ 你变点内容就行了