It is not until recently ______ the scientists have found proof of there being water on Mars.

试卷相关题目

• 1You will find friendly people ______ you go in Chin

  A.A.where

  B.and

  C.wherever

  D.so

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• 2______ he came to study in the university, he has made much progress in the study of English.

  A.While

  B.When

  C.Since

  D.After

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• 3I'll never forget our English teacher, _________ is a well-educated teacher, _________ we admire very much.

  A.that; that

  B.who; it

  C.whom; this

  D.who; one

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• 4---------_________ are you going to visit? --------I am going to visit the Palace Museum.

  A.Where

  B.What

  C.Why

  D.When

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• 5It is in this very village _______ she will build her first school, _______ inspires everyone to help her．

  A.where; that

  B.that; which

  C.that; that

  D.which; that

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• 6It was at four o'clock in the afternoon ____ he and his grandpa reached the museum in Guanghan.

  A.while

  B.that

  C.when

  D.as

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• 7We should try every effort to prevent violence from happening at school, ______ more and more students would drop out of school ______ their personal safety could not be guaranteed.

  A.though; if only

  B.though; so long as

  C.for; now that

  D.for; if

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• 87．More than 100,000 German credit cards are being replaced after fears_________personal data has been stolen.

  A.whether

  B.which

  C.that

  D.When

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• 9____ you told me, I had heard nothing of what happened.  

  A.Till

  B.Until

  C.After

  D.Since

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• 10It is hoped that it won't be long ______the students aren't burdened with so much homework.

  A.before

  B.since

  C.that

  D.after

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