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科目： 來(lái)源：不詳 題型：單選題

___ he will leave for Beijng.
A．It will not be long beforeB．It is before long that
C．It is before longD．It was before long that

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科目： 來(lái)源：不詳 題型：單選題

It is the idea____smiles can get rid of cold ____has been proved by the researchers many times.  
A．which; whichB．that; thatC．that; whichD．which; that

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科目： 來(lái)源：不詳 題型：單選題


In my opinion, all Mr White ____ good to his students in his class at present. He is very strict in their study.
A．does does doesB．does did doC．does does doD．did do does

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科目： 來(lái)源：不詳 題型：單選題


　　　　--- Yes. It is in the reading material ____ we ____ reading yesterday.
A．that; didB．that; wereC．when; wereD．when; did

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科目： 來(lái)源：不詳 題型：單選題

They gave us so warm a welcome that we were moved very much. It was a
sight__________ we__________.
A．what;have never forgottenB．which; wre never forgotten
C．a(chǎn)s ;will never forgetD．that; would never forget

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科目： 來(lái)源：不詳 題型：單選題

I just don't understand_____________ that prevents so many Americans from
being as happy as one might expect.
A．why it doesB．what it does
C．what it isD．why it is

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科目： 來(lái)源：不詳 題型：單選題

It is only when you nearly lose someone ____________ you fully realize how much you value him.  
A．doB．thenC．willD．that

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科目： 來(lái)源：不詳 題型：單選題

It is the protection for the trees___________ really  matters, rather than how many trees are planted.
A．whatB．thatC．不填D．which

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科目： 來(lái)源：不詳 題型：單選題

Was it ________ the conference of APEC that made Shanghai the focus of the world then?
A．holdingB．to hold
C．heldD．having held

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科目： 來(lái)源：不詳 題型：單選題

It is usually not quite cold in this area in March, but sometimes temperature________ be very low.
A．shouldB．canC．mustD．shall

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