It was playing computer games that cost the boy plenty of time that he _____have

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It was playing computer games that cost the boy plenty of time that he _____have spent doing his lessons

A．might

B．must

C．could

D．ought to

答案

解析

略

举一反三

. —How can I thank you?
—Don’t mention it. Any other man in that case _______ the same thing.

A．would have done	B．could have done
C．must have done	D．should have done

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you be interested, I’ll tell you the whole story.

A．Would	B．Might
C．Should	D．Could

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You_________return the book now. You can keep it till next week if you like.

A．needn’t

B．mustn’t

C．couldn’t

D．ought to

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You _____ of the time of the party, but I forgot. I am so sorry.

A．should have been told

B．ought to tell

C．could have told

D．ought to have told

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— I went to work on foot yesterday, though it _______ cats and dogs.
— You _______ by bus. It was easy for you to get a cold.

A．is raining; must have gone	B．rained; would go
C．have rained; could have gone	D．was raining; should have gone

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