________, I think, and the problem could be settled．A．A bit more effortB．So long

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________, I think, and the problem could be settled．

A．A bit more effort	B．So long as you keep up your spirits
C．If you doubt your efforts	D．Making great efforts

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解析

略

举一反三

--- Can I have a talk with you at about 5 this afternoon, Mr．Smith?
--- All right, I ______ to my office from a conference then．I will be waiting for you there．

A．have come back	B．will come back
C．will have come back	D．will be coming back

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---It"s very kind of you to see me off,Mr Johnson.
---______.It"s the least we could do.

A．That"s true

B．Not at all

C．I don"t think so

D．Don"t say to

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So little known _____ that soldiers had to ask for a guide.

A．by this earthquake - stricken area

B．this earthquake - stricken area

C．was this earthquake - strcken area

D．this earthquake - stricken area had been

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For a moment nothing happened. Then ___ all shouting together.

A．voices had come	B．came voices
C．voices would come	D．did voices come

题型：不详难度：| 查看答案

----- As we know, you won’t go back to the USA since you have established a research center here．But how long _____ in America?
----- For almost 10 years．

A．did you study	B．have you studied
C．were you studying	D．have you been studying

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