问题描述: The students have to (s ) in the classroom on sunday morning. 1个回答 分类:英语 2014-10-07 问题解答: 我来补答 The students have to (s ) in the classroom on sunday morning答案:【sweep】打扫学生们星期天早上需要打扫教室.【Me YC真诚为你解答此题, 展开全文阅读