题目内容

The street are all wet.It ___ during the night.
A．must be rainingB．must havge been rainC．had to rainD．must have rained
D
略
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Recent campus tragedies show that safety measures are so important that we _______ take them too seriously.
A．can’tB．shouldC．mustn’tD．shall
The streets are all wet.It ___ during the night.
A．must be rainingB．must have been rainC．had to rainD．must have rained
I suggested not only _____ go to the meeting but also give a speech there.
A．did he goB．his goingC．should he goD．he should go
—Do you still remember the first time we met, Linda?
—Sure. You      a meeting in our classroom.
A．were addressingB．had addressed
C．addressedD．address

It is important to know about the cultural differences that _______ cause problems.
A．mustB．dareC．needD．may
—You look so upset. What’s wrong with you?
—The door      . Can you help me?
A．won’t openB．won’t be opened
C．can’t openD．can’t be opened
— Must I take a taxi?
—No, you______. It is only a six minutes’ walk. 
A. don’t have to             B. must                  C  can’t           D ought to
Doctors recommend that all children ________ vaccinated against measles(麻疹).
A．shouldB．could beC．areD．be

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