_______ more is necessary but it is not quite necessary _______ this book again.

试卷相关题目

• 1He began ________ his past mistake.

  A.to realize

  B.realize

  C.realizing

  D.to realizing

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• 2________ with the result of the experiment, Tom comfortably sat back into his chair to have a good rest．

  A.Delight

  B.Delighted

  C.Delighting

  D.Being delighted

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• 3The way you thought of ________ the problem is not very good.

  A.to deal with

  B.dealing with

  C.dealt with

  D.dealt to

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• 4The girl asked him not to leave the door _________．

  A.to close

  B.closed

  C.to be closed

  D.closing

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• 5I remember ________ to help us if we ever got into trouble.

  A.once offering

  B.him to offer

  C.him once offering

  D.to offer him

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• 6You shouldn't risk ________ in the polluted river．

  A.to swim

  B.swimming

  C.swim

  D.swam

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• 7The weather is ________ and the water in river has been ________．

  A.freezing; frozen

  B.frozen; freezing

  C.freezing; freezing

  D.frozen; frozen

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• 8It is well known that the horse will run faster if _________．

  A.is whipped

  B.whipping

  C.it is

  D.whipped

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• 9We tried ________all our own vegetables, but found it impossible to grow enough for the family．

  A.growing

  B.grown

  C.grow

  D.to grow

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• 10_______ pollution is the key to _______ the country a comfortable and clean place to live in.

  A.To control; keep

  B.Controlling; keep

  C.To control; keeping

  D.Control; keeping

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