The exam was very difficult but everyone ______ pass.A．had toB．wouldC．couldD．was

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The exam was very difficult but everyone ______ pass.

A．had to

B．would

C．could

D．was able to

答案

解析

略

举一反三

I want to know _____ .

A．when will he come back	B．when he will come back
C．when he comes back	D．when is he coming back

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While crossing the mountain area, you’d better carry a stick in case you________by wild animals.

A．should be attacked

B．might be attacked

C．must be attacked

D．would be attacked

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28. Listen, Mike. She_________have done it. She’s been with me at the shop all day.

A．couldn’t

B．shouldn’t

C．needn’t

D．wouldn’t

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—Is Jack on duty today?
—It________ be him. It’s his turn tomorrow.

A．mustn’t

B．won’t

C．can’t

D．needn’t

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—May I smoke here?
—If you ________, choose a seat in the smoking section.

A．should

B．could

C．may

D．Must

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