问题描述：
这两句英文哪句正确?
第一句：We mustn't sleep during the class in the classroom.第二句：We musn't sleep in the classroom during the class.这两句哪句对?为什么?
第一句：We mustn't sleep during the class in the classroom.第二句：We musn't sleep in the classroom during the class.这两句哪句对?为什么?
问题解答：
我来补答展开全文阅读