It is required that the students mobile phones in their school, so seldom them u

 It is required that the students ____ mobile phones in their school, so seldom ____ them using one．

A．mustn't use; will you see                      B．should not use; you will see

C．not use; you will see                          D．not use; will you see

试题答案

 D It’s required that 句型中从句用(should) do的虚拟语气，另外seldom在句首，句子用部分倒装，故选D。