This computer doesn't work properly, because the operating system has ______ .

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• 1The church, which ________ back to the 17th century, is undergoing a complete restoration.

  A.dates

  B.comes

  C.leaves

  D.appoints

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• 2You may ______ it that Jennifer will come and help us if we are in trouble.

  A.base on

  B.rely on

  C.carry on

  D.hold on

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• 3A good student is good at _______ what the teacher says at once when hearing something important in class .

  A.getting down

  B.passing down

  C.setting down

  D.coming down

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• 4Each week he tried to _____________ a few dollars for an overseas trip.

  A.set apart

  B.set aside

  C.set about

  D.set out

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• 5After a few courses on painting，Helen said she would ________oil pointing in her spare time.

  A.look up

  B.take up

  C.bring up

  D.put up

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• 6Many students believe that the choice of their universities and courses should __________ their own interest.

  A.base in

  B.base on

  C.be based in

  D.be based on

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• 7You won't be______ by the host to the wedding ______ you are a good friend of his.

  A.advised; unless

  B.admitted; if

  C.invited; unless

  D.impressed; if

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• 8In order to meet the demands they had to________production.

  A.fasten up　　　

  B.rise up

  C.speed up　　　

  D.go up

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• 9This is a very serious matter and the Chinese Academy of Sciences is trying to ______ public awareness about it.

  A.lift

  B.rise

  C.raise

  D.arise

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• 10Marry is no different from any other teenage girl, but she has given enough thought __________ her future career.

  A.with

  B.of

  C.about

  D.to

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