—The plane is due to take off at 7:50 from the airport.—________ we fail to arrive there in time?—Try to take another flight then.

试卷相关题目

• 1________ you have the drug habit, you'll find it hard to get rid of.

  A.Unless

  B.Once

  C.Though

  D.Before

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• 2I didn't realize my mistake________my teacher had a face to face talk with me.

  A.until

  B.after

  C.since

  D.when

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• 3It proves that being creative may be more important than experience ______ it comes to starting your own business.

  A.while

  B.as

  C.since

  D.when

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• 4A dozen ideas were considered ______ the chief architect decided on the design of the building.  

  A.because

  B.before

  C.whether

  D.unless

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• 5The American Civil War lasted four years ______ the North won in the end.       

  A.after

  B.when

  C.before

  D.then

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• 6________ you have finished your report, you can have it __________.  

  A.Now for; printing

  B.Now that; printed

  C.So far; been printed

  D.So that; being printed

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• 7________ knowledge can be acquired from books，skills must be learned through practice.

  A.Whereas

  B.When

  C.Unless

  D.As

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• 8_____ he can pass the entrance examination is quite uncertain.   

  A.If

  B.Whether

  C.That

  D.What

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• 9Dear, I'll definitely take you to Shanghai next month _____ you perform well in this midterm examination.   

  A.in case

  B.now that

  C.so long asC.so that

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• 10It is an interesting story and one can't put it down _____ one has finished reading it.

  A.after

  B.when

  C.since

  D.until

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