Only in this way ________ to make improvement(提高)in the operating system.    

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• 1So much of interest ________ that  most visitors simply run out of time before seeing it all.       

  A.offers Beijing

  B.Beijing offers

  C.does Beijing offer

  D.Beijing does offer

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• 2However busy we are, we need to take exercise. Not only _____ us keep healthy, it also stops us getting fat.   

  A.it helps

  B.helps it

  C.it does help

  D.does it help

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• 3I suggested not only ________ to the meeting but also give a speech there.

  A.did he go

  B.his going

  C.should he go

  D.he should go

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• 4______about wild plants that they decided to make a trip to Madagascar for further research.

  A.So curious the couple was

  B.So curious was the couple

  C.How curious the couple was

  D.The couple was such curious

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• 5He felt tired after a whole day's work.No sooner________to bed than he fell asleep.

  A.he had gone

  B.does he go

  C.had he gone

  D.he did

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• 6I received his mother's telephone call at eleven. _________ that he was badly hurt in an accident yesterday.

  A.Then did I know

  B.Only then I knew

  C.Only then did I know

  D.Only then knew I

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• 7It is required that the student _______ mobile phones in their school,So seldom ________ them using one .

  A.should not use; you will see

  B.not use ;will you see

  C.don't use ;will you see

  D.not use ;you will see

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• 8_____ after the race that he didn't know what to say before so many reporters.

  A.So excited the champion was

  B.So excited was the champion

  C.So excited the champion felt

  D.So excited felt the champion

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• 9So difficult ________ it to work out the problem that I decided to ask Tom for advice.

  A.I did find

  B.did I find

  C.I have found

  D.have I found

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• 10She is a strong-willed woman and never ______ in to any difficulty in her life．

  A.she has given

  B.did she give

  C.she gave

  D.has she given

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