I wonder why they’re so late. They ______ here an hour ago.A．should beB．might be

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I wonder why they’re so late. They ______ here an hour ago.

A．should be	B．might be
C．should have been	D．might have been

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解析

略

举一反三

I insist that he _______ medicine instead of law.

A．has studied

B．studies

C．should study

D．studied

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Who do you suppose _________ turn to for help?

A．should we

B．we should

C．do we

D．can we

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— ______the bike be repaired by him?
—No, I’d rather he ______ it repaired．

A．Will; has

B．Shall; had

C．Should; have

D．Can; has

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He didn’t regret saying what he did but felt that he ____ it differently.

A．could express

B．would express

C．could have expressed

D．must have expressed

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I ________ you would come so early.
A. am not expecting B don’t expect C. didn’t expect D. not expect

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