提出环保建议的表达 — 英语选择题
题目
学校的「绿色校园周」里，Amy 看见有些同学扔掉还能用的纸张，还把塑料瓶随手丢进草地。她想提出环保建议，下面哪一句表达最恰当？A. You should throw away the paper and bottles. B. We should reuse paper and put the bottles into the recycling bin. C. Don't use any paper at school. D. We can leave the bottles on the grass.