-- I'd like to invite you to a party tomorrow evening. -- Thank you, but ______ I'll be free I'm uncertain.

试卷相关题目

• 1No matter ______ says no to us , we will return to our motherland.

  A.whoever

  B.who

  C.what

  D.whatever

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• 2Many people in the city wonder _____the city officials have the information they need to solve the problem.

  A.that

  B.whether

  C.what

  D.which

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• 3 Clearly, in a system ______ every decision is made on the basis of tradition alone, it may be difficult to achieve progress.

  A.that

  B.when

  C.where

  D.which

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• 4Work hard _____ you can succeed.

  A.in order to

  B.so that

  C.for fear that

  D.in case

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• 5You won't succeed_____harder.

  A.unless you will work

  B.unless you work

  C.unless you don't work

  D.if you won't work

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• 6.________ gas leaks and similar accidents should occur, some responsible persons should regularly inspect all the laboratories.

  A.Unless

  B.In case

  C.Provided

  D.Until

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• 7. Linda was walking in the street ________ she noticed a thief stealing from a old lady.

  A.while

  B.when

  C.as

  D.which

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• 8_____everybody is here, Let's begin our meeting.

  A.Now that

  B.Because

  C.For

  D.When

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• 9It is about ten years _____ I met you last.

  A.since

  B.for

  C.when

  D.as

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• 10I'll start early , _______ it is dark or light .

  A.however

  B.whether

  C.if

  D.though

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