—Ananthastwostomachs—oneforits

—An ant has two stomachs—one for itself, one for others.
—Really? Quite interesting. I ________ anything about it.

A．don't know

B．have known

C．haven't known

D．didn't know

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相关试题

News reports say peace talks between the two countries _______ with no agreement reached.

A．have broken down

B．have broken out

C．have broken in

D．have broken up

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—The boss said we had only three days to finish the work.
—Don’t worry.We have already _______ two thirds of it.

A．got down	B．got through
C．given in	D．given away

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The forest guards often find campfires that have not been _______ completely.

A．turned down	B．put out
C．put away	D．turned over

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Off to the east,the sky looked pale enough to _______ the storm would be passing quickly.

A．prove	B．suggest
C．report	D．explain

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The evening news comes on at seven o’clock and _______ only thirty minutes.

A．keeps	B．continues
C．finishes	D．lasts

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