问题描述： Studentsd must 和Students must not怎样造句? 1个回答 分类：英语 2014-11-27 问题解答： 我来补答 Students must help their parents do some housework and do their homework on time学生应该帮助父母亲做些家务活并且应该要按时完成作业Studnes must not throw the paper on the road学生不应该在马路上丢纸屑 展开全文阅读
