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科目： 來源： 題型：單選題

―Excuse me, Sir, but could you tell me how to go to the railway station?
―Sorry. You’d better ask, I’m afraid, ______ is a native.

A．whom B．who C．whomever D．whoever

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How long do you think it will be _______ scientists succeed in providing a cure for cancer?

A．when B．a(chǎn)fter C．since D．before 

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科目： 來源： 題型：單選題

I notice Linda is often absent from school because of illness. _______ she is not so healthy as she used to be?

A．Why is it that B．Is it why that C．Why is D．Is it why

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It was from only a few supplies that she had bought in the village ______the hostess cooked such a nice dinner

A．where B．that  C．when D．which. 

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科目： 來源： 題型：單選題

Please do me a favor----_____ my friend Mr. Smith to Youth Theater at 7:30 tonight.

A．to inviteB．invitingC．inviteD．invited

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科目： 來源： 題型：單選題

He made another wonderful discovery, ______ of great importance to science.

A．which I think it is B．which I think is
C．which I think D．I think which is

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---What are you busy doing these days?
---____ the college entrance examination.

A．Preparing for B．To prepare for
C．To be preparing for D．Prepared for

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