Itisrequiredthatthestudents

问题详情：

It is required that the students____ mobile phones in their school, so seldom____ them using one.

 A. don’t use; will you see                  B. not use; will you see

C. mustn’t use; will you see                       D not use; you will see

【回答】

B

知识点：虚拟语气

题型：选择题