Leaders of the BRIC countries-----Brazil, Russia, India and China----_______thei

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Leaders of the BRIC countries-----Brazil, Russia, India and China----_______their second summit on Friday. President Hu Jintao then returned home to help direct relief work ______the deadly earthquake in Qinhai.

A．left, to follow	B．concluded, following
C．had left, following	D．had concluded, followed

答案

解析

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举一反三

Every possible means _______to prevent the air pollution, but the sky is still not clear.

A．are being used

B．have been used

C．has been used

D．had been used

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I ______ on a sofa because my grandparents have come for the weekend.

A．slept

B．was sleeping

C．have slept

D．am sleeping

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The child said that he had _____ the pen on the desk, but I thought he ____ to me.

A．laid; lied

B．lain; lied

C．lied; lay

D．lain; lay

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After he had broken the world record, Rod ____ to a restaurant to celebrate with hid friends.

A．went

B．had gone

C．would go

D．has gone

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— Has Tom finished his homework yet?
— I have no idea, he _____ it this morning.

A．was doing

B．did

C．had done

D．would do

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