Hi,Grandma,whydoyoulooksotired

--- Hi, Grandma, why do you look so tired?
--- I’m tired. I _______ the cleaning all morning.

A．did

B．had done

C．have been doing

D．have done

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相关试题

Mrs White found her husband ________by letters and papers and________ very worried.

A．surrounding ; looked	B．surrounded ; looked
C．surrounding; looking	D．surrounded ; looking

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He told ______ should read.

A．me what I

B．me I what

C．what me I

D．what I me

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There was plenty of time. She ______ .

A．mustn’t have hurried

B．couldn’t have hurried

C．must not hurry

D．needn’t have hurried.

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—Would you permit me ___________ here?
— Sorry. We don’t permit ___________ in the lab.

A．smoking; smoking	B．to smoke; to smoke
C．smoking; to smoke	D．to smoke; smoking

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I’ve taken someone else’s green sweater by mistakes. It ______ Harry’s. He always wears green..

A．could be

B．will be

C．mustn’t be

D．has to be

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