It is every citizen's duty to go out to ______ the snow on the street______ it stops falling so as to make it convenient for traffic to pass.

试卷相关题目

• 1________， the disease diphtheria will produce a powder poison that will kill the patient.

  A.If it untreated

  B.If is untreated

  C.If being untreated

  D.If untreated

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• 2I have been keeping the portrait _____ I can see it every day, as it always reminds me of my childhood in Paris.

  A.since

  B.where

  C.as

  D.if

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• 3_______her home, Mary helps her mother with some housework.

  A.As soon as she returns

  B.On arriving

  C.After she gets

  D.Instantly she reaches

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• 4_______ he got the news, Mr. Mathews hurried out of his house, ________ his car, and drove all the way to town.

  A.When; started

  B.The moment; started

  C.Until; starting

  D.Once; to start

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• 5The parents rushed to the hospital _______ they heard that their son was injured.

  A.at the moment

  B.for the moment

  C.the moment

  D.in a moment

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• 6We got lost in the   forest and decided to remain _______ we were and waited   for rescue.     

  A.how

  B.what

  C.where

  D.who

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• 7_____  you may have, you should gather your courage to face the challenge.

  A.Howeveraseriousproblem

  B.Whataseriousproblem

  C.Howeverseriousaproblem

  D.Whatseriousaproblem

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• 8_______ much we dislike the idea of begging in the street,  we should still show considerationfor those who are in  difficult situations.   

  A.However

  B.How

  C.Whatever

  D.No matter

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• 9I had to tell you that _____ you do well in every subject, you won't be elected the monitor.

  A.unless

  B.if

  C.because

  D.when

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• 10You should try to get a good night's sleep ______ much work you have to do.

  A.however

  B.no matter

  C.although

  D.whatever

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