The word "carbon" stands for______.

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• 1It you______that late movie last night, you wouldn t be dozy now.

  A．haven " t watched

  B．didn"t watch

  C．hadn"t watched

  D．wouldn"t have watched

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• 2I regret______ the work unfinished; I should have planned everything ahead carefully.

  A．having been left

  B．having left

  C．to leave

  D．to have left

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• 3Without air, ______ no wind or rain.

  A．there would be

  B．there will be

  C．there have been

  D．there is

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• 4Have you ever asked yourself why children go to school？ You will probably say that they go to learn t

  A．all another

  B．the other all

  C．all the other

  D．the all other

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• 5______ it is you ve found, you must give it back to the owner of it.

  A．Whichever

  B．What

  C．Whatever

  D．Which

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• 6She is always easy to get along with, but she is difficult to understand ______.

  A．at one time

  B．at a time

  C．at times

  D．at all times

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• 7I will go home for the vacation as soon as I______ my exams.

  A．will finish

  B．finished

  C．am finishing

  D．have finished

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• 8I will go home for the vacation as soon as I______ my exams.

  A．will finish

  B．finished

  C．am finishing

  D．have finished

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• 9I chose a small room with the window______ the street.

  A．faces

  B．facing

  C．faced

  D．to face

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• 10I suppose you couldnt let me borrow your car this evening,______？

  A．couldn"t I

  B．could you

  C．don"t I

  D．will you

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