试题与答案

—Listen! There is a knock on the door. W

题型:选择题

题目:

—Listen! There is a knock on the door. Who _____ it be?

—It must be Jack. Just now I sent for him.

A.shall

B.can

C.must

D.might

答案:

答案:B

考察情态动词,四个选项在第三人称后分别表示会;应该、能、一定必须和可能。might语气比can弱。在表示猜测的时候,might用于肯定推测,can用于否定推测。根据题意选B,他能是谁呢?

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