Itisrequiredthatstudents

问题详情：

 It is required that students______mobile phones in their school, so seldom ______ them using one

A. not use; will you see                     B. should not use: you will see    

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

【回答】

A

知识点：虚拟语气与情态动词

题型：选择题