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科目： 來源：不詳 題型：單選題

This building is both a secret and a mystery. No one shall be admitted into it ______ he can give the right password.
A．ifB．a(chǎn)sC．sinceD．unless

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科目： 來源：不詳 題型：單選題

Now our school is four times ________ it was twenty years ago.
A．whenB．whichC．thatD．what

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科目： 來源：不詳 題型：單選題

— How long will it be _______ the president pays another visit to China?
— It all depends.
A．beforeB．untilC．sinceD．when

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科目： 來源：不詳 題型：單選題

How can you expect him to make any improvement____ you never give him a chance to have a try?
A．unlessB．whenC．untilD．even if

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科目： 來源：不詳 題型：單選題

— You should have prepared your speech for the meeting, Mr. Smith.
— Yes, I know. But how could I _____ the meeting date fixed so soon?
A．whileB．a(chǎn)sC．a(chǎn)fterD．with

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科目： 來源：不詳 題型：單選題

Helen plays the piano well, ____her favourite instrument is the violin.
A．soB．yetC．orD．for

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科目： 來源：不詳 題型：單選題

I’ve got a bit of a headache. It’s nothing much, _________.
A．moreoverB．besidesC．thoughD．a(chǎn)nyhow

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科目： 來源：不詳 題型：單選題

Maria looked around on the playground _______ looking for something.
A．even thoughB．even ifC．only ifD．a(chǎn)s if

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科目： 來源：不詳 題型：單選題

__________ she couldn’t understand was_________more and more students showed little interest in their lessons.
A．What; whyB．That; whatC．What; because D．Why; that

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科目： 來源：不詳 題型：單選題

We wouldn’t go abroad for our vacation _______ we could afford it.
A．a(chǎn)s ifB．so thatC．in caseD．even though

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