Question

【题目】Your paper must _______ as soon as the bell _______.

A. hand in; rings B. hand in; will ring

C. be handed in; rings D. be handed in; will ring

Answer 1

【答案】C

【解析】

句意“铃声一响，你必须上交你的试卷”。第一空处，主语为your paper和谓语hand in之间为被动关系，排除A和B。as soon as引导的从句用一般现在时，主句用一般将来时，即“主将从现”原则，故选C。