—Hi,Tracy,youlooktired.Iamtire

— Hi, Tracy, you look tired.
I am tired. I_______ the living- room all day.

A．painted

B．had painted

C．have been painting

D．have painted

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There are a small number of people involved, possibly ______twenty.

A．as few as

B．as little as

C．as many as

D．as much as

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Only after Mary read her essay the second time the spelling mistake.

A．did she notice.	B．she notice.
C．does she notice	D．she has noticed

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—Are you still mad at her?
—Not really, but I can’t ______ that her remarks hurt me.

A．deny

B．refuse

C．reject

D．decline

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He had planned to make a compromise，but he changed his mind at the last minute．

A．therefore

B．otherwise

C．anyhow

D．somehow

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At our factory there are a few machines similar to ______ described in this magazine.

A．them

B．these

C．those

D．ones

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