The professor, ________ his assistants,  _______ conducting the experiment.

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• 1Pratt failed many times but he finally _________ to find a successful way to solve the problem.

  A.broke out

  B.broke up

  C.broke down

  D.broke through

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• 2–The house ____ fire and was destroyed. --Who ____ fire to the house?

  A.set; caught

  B.caught; set

  C.took; played with

  D.was; caught

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• 3Peter _______ some money every month so that he can buy a new car.

  A.sets aside

  B.leaves off

  C.piles up

  D.gives out

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• 4The doctor came out and said the operation was well finished. The parents smiled ________ and the nervousness disappeared from their faces.

  A.in relief

  B.in danger

  C.in peace

  D.in reality

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• 5Affected by the financial crisis, Jack's business is not as good as before, so he has to ________ the expenses of his company.

  A.cut off

  B.cut away

  C.cut up

  D.cut down

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• 6After marriage, the world-famous man, who was a leading role in physics, decided to give up his wife ________ his career（事业）.

  A.more than

  B.rather than

  C.instead

  D.in place of

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• 7It was a nice house, but ________ too small for a family to live in.

  A.rarely

  B.fairly

  C.rather

  D.pretty

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• 8Since entry into high school the students have been ________ staying up late in the evening and getting up early in the morning.

  A.admitted to

  B.allergic to

  C.accustomed to

  D.attached to

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• 9----Did you watch I am a singer last night? ----No, there was something wrong with my TV. It couldn't _______ any programmes.

  A.send up

  B.get up

  C.pick up

  D.take up

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• 10He has ____ letters to deal with. He has to work from morning to night.

  A.many of

  B.a great deal of

  C.masses of

  D.the number of

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