It's ten years since the scientist _______on his life's work of discovering the valuable chemical.

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• 1-- You haven't lost the ticket, have you、-- _________. I know it's not easy to get another one at the moment.

  A.I hope not

  B.Yes, I have

  C.I hope so

  D.Yes, I’m afraid so

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• 2Tom owns _______larger collection of _______ books than any other student in our class.

  A.the; 不填

  B.a; 不填

  C.a; the

  D.不填; the

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• 3More patients ___________ in hospital this year than last year.

  A.treated

  B.have treated

  C.had been treated

  D.have been treated

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• 4The man insisted________ a taxi for me even though I told him I lived nearby.

  A.find

  B.to find

  C.on finding

  D.in finding

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• 5He got to the station early,____________ missing his train.

  A.in case of

  B.instead of

  C.for fear of

  D.in search of

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• 6A man is being questioned in relation to the ________ murder last night.

  A.advised

  B.attended

  C.attempted

  D.admitted

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• 7The old man, ____________abroad for twenty years, is on the way back to his motherland.

  A.to work

  B.working

  C.to have worked

  D.having worked

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• 8The____________house smells as if it hasn't been lived in for years.

  A.little white wooden

  B.little wooden white

  C.white wooden little

  D.wooden white little

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• 9________ is often the case, we have worked out the production plan.

  A.Which

  B.When

  C.What

  D.As

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• 10Sales of CDs have greatly increased since the early 1990s, when people_____to enjoy the advantages of this new technology.

  A.begin

  B.began

  C.have begun

  D.had begun

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