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科目: 來源: 題型:單選題

--You will get into big trouble ____ you can’t prove that you didn’t cheat in the exam.
--I know. I will collect enough evidence to make them believe me.

A.unless B.when C.a(chǎn)lthough D.while

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科目: 來源: 題型:單選題

The new CEO demanded that all inter-office communications ______ in writing rather than in person, ______ possible.

A.have been made; whoeverB.would be made; whichever
C.be made; wheneverD.were made; whatever

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科目: 來源: 題型:單選題

She says that she'll have to close the shop ________ business improves.

A.if B.unless C.a(chǎn)fter D.when

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科目: 來源: 題型:單選題

Americans and Canadians can understand each other ___ they don’t speak the same kind of English.

A.now that B.even if C.a(chǎn)s if D.only if

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科目: 來源: 題型:單選題

    he visited the new school, he showed great interest in everything he saw.

A.It’s the first time B.For the first time
C.The first time D.At first

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科目: 來源: 題型:單選題

We won’t give up ________ we should fail ten times.

A.even if B.unless    C.whether D.Until 

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科目: 來源: 題型:單選題

There was ______ time _____ Chinese used foreign oil.

A./; whenB.a(chǎn); whileC.a(chǎn); whenD./; while

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科目: 來源: 題型:單選題

A British official said that_____ this impractical policy could be changed , the future for Britain was indeed dark.

A.unlessB.whenC.ifD.until

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科目: 來源: 題型:單選題

If you want to live a happy life, you’d better learn to accept life _____it is..

A.a(chǎn)s B.that C.which D.where 

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科目: 來源: 題型:單選題

You can get the best result ______you carry out the experiment under the desired conditions.

A.what if B.even if C.only if D.a(chǎn)s if

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