—Catherine,Ihavecleanedtheroom

— Catherine, I have cleaned the room for you.
— Thanks. You ______ it. I could manage it myself.

A．needn’t do	B．needn’t have done
C．mustn’t do	D．shouldn’t have done

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There was so much smoke in the factory the workers were working _ the firefighters couldn’t see clearly.

A．that; that

B．that; where

C．where; that

D．where; where

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After graduation, he worked as a lawyer, .

A．to follow in his father’s steps

B．to follow his father’s advice

C．following in his father’s steps

D．followed his father

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A．hold up

B．take up

C．give up

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1 Professor James will give us a lecture on the Western culture, but when and where yet.

A．haven’t been decided

B．haven’t decided

C．isn’t being decided

D．aren’t decided

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--- Do you have any idea what Paul does all day?
--- As I know, he spends at least as much time playing as he ．

A．writes

B．does writing

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