问题描述: 多找几个,还有不乱丢垃圾,上课认真听讲,英语都怎么写? 1个回答 分类:英语 2014-10-05 问题解答: 我来补答 Keep off the grass and trees 爱护花草树木 Please do not littering " Don't injury plants :不乱丢垃圾 展开全文阅读