The experiment has _____ the possibility of the existence of any life on that planet, but it does not mean there is no life on other planets.

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• 1If you _____ your promise, the results will be sure to satisfy you.

  A.carry out

  B.carry on

  C.keep up

  D.make up

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• 2She tried to sleep, but thoughts _____ and images flashed into her mind.

  A.crowded out

  B.crowed to

  C.crowded of

  D.crowded in

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• 3Tom's father is so special that you can easily _____ him _____ in the crowd.

  A.pick; out

  B.break; out

  C.look; out

  D.call; out

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• 4We've just moved into a bigger house and there's a lot to do. Let's _____ it.

  A.keep up with

  B.do away with

  C.get down to

  D.look forward to

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• 5No matter how I refused, my son still _____ going to the airport with me.

  A.agreed to

  B.insisted on

  C.called for

  D.kept on

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• 6When the farmers dug the well, they _____ a large collection of ancient chin

  A.A.came by

  B.came around

  C.came up

  D.came across

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• 7The policeman stopped him when he was driving home and _____ him of speeding.

  A.charged

  B.accused

  C.warned

  D.blamed

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• 8We had wanted to finish our task by noon, but it didn't quite ______ as planned.

  A.find out

  B.give out

  C.hand out

  D.work out

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• 9You can imagine what great trouble they have ______ the problem ______.

  A.to solve; being talked about

  B.solving; discussing

  C.to solve; to talk about

  D.solving; being discussed

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• 10To keep healthy, I try to _____ a few minutes each day to do some exercises.

  A.pick up

  B.set aside

  C.put off

  D.give away

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