The scientist’s many years’ careful observation ____ a surprising discovery.

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• 1They didn’t think I could     that expensive car, but in fact, I was quite able to.

  A.pay

  B.cost

  C.afford

  D.spare

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• 2BMW’s boss _____ the decision to fire 8,000 employees, saying the group needed to continue cost-cutting.

  A.witnessed

  B.advised

  C.defended

  D.adopted

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• 3The accident produced a very bad impact on the society, so those who _________ the project were severely punished.

  A.come up with

  B.look out for

  C.took charge of

  D.took the place of

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• 4This kind of software for English study _____ a lot of students who are weak in oral English. 

  A.leads to

  B.appeal against

  C.contributes to

  D.appeals to

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• 5He started to walk faster and the children had to run to ________him.

  A.come up with

  B.catch up with

  C.keep up with

  D.put up with

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• 6During the floods the cars, trains and buildings could not survive, ____the people who stood in the way.

  A.or rather

  B.let alone

  C.more or less

  D.besides

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• 7We        the problem for a long time, but we didn’t reach any agreement.

  A.argued

  B.explained

  C.shared

  D.communicated

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• 8---It’s hard for me to go to sleep. ---Try to ______the amount of coffee you drink during the day.

  A.cut up

  B.cut in

  C.cut off

  D.cut down

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• 9Don’t trouble to look for my umbrella; it will        some day in the future.

  A.turn out

  B.turn down

  C.turn off

  D.turn up

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