She won't pass the exam unless she ________ hard．

试卷相关题目

• 1They went to the ball, ________ as princes.

  A.dressing

  B.dress

  C.to dress

  D.dressed

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• 2This is the first time I ________ her sing, I hope it is the last.

  A.will hear

  B.have heard

  C.hear

  D.heard

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• 3The teacher said that light _______ faster than sound．

  A.has traveled

  B.traveled

  C.had traveled

  D.travels

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• 4When climbing the hill John was knocked unconscious by an ________ rolling stone.

  A.untouched

  B.unexpected

  C.unfamiliar

  D.unbelievable

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• 5________ to work overtime that evening, I missed a wonderful film.

  A.Asking

  B.To ask

  C.Ask

  D.Asked

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