He _____the problem _____in his mind for a whole week before he did anything about it.

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• 1Next week we'll pay a visit to the Great Wall, so in our absence please _______ our pet dog.

  A.keep an eye on

  B.have an eye for

  C.keep an eye out for

  D.make eyes at

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• 2---Tom, keep your_____ on your studies. --- Sure, mum. I'll keep that in_____.

  A.mind;mind

  B.heart;head

  C.brain; mind

  D.heart;brain

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• 3Professor Williams keeps telling his students that the future ______to the well-educated.

  A.belongs

  B.is belonged

  C.is belonging

  D.will be belonged

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• 4Thomas Alva Edison didn't “invent” the light bulb (灯泡), but rather he ______ a 50 –year –old idea, which is not well –known.

  A.improved upon

  B.take down

  C.put up

  D.break away

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• 5It is not enough only________ the rules of grammar if you want to learn English well.

  A.keeping in the mind

  B.to keep in mind

  C.to keep in your mind

  D.keeping in your mind

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• 6Before the war broke out, many people ______in safe places possessions they could not take with them.

  A.throw away

  B.put away

  C.gave away

  D.carried away

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• 7Generally, in China the car market is _______ between the imported cars and the home-made cars. The former are quite expensive while the latter much cheaper.

  A.limited

  B.separated

  C.divided

  D.parted

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• 8We can't _____ one to change the habits of a lifetime in a short time.

  A.hope

  B.wait

  C.expect

  D.imagin

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• 9In the middle of the night, we ______signals for help from another ship.

  A.picked out

  B.picked up

  C.picked on

  D.picked at

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• 10It is fashionable to drive a car, but to drive a car is not nearly as difficult as it is imagined on condition that you ______ the specialized rules.

  A.give up

  B.stick to

  C.insist on

  D.connect to

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