It is useful to be able to predict the extent _____ a price change will affect supply and demand.

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• 1 “I'd like to give my thanks to those ______ help my son will be able to survive his terrible disease,” said the woman on TV.

  A.who

  B.that

  C.with whose

  D.with their

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• 2He did as much as he _____ her.

  A.could help

  B.could to help

  C.helped

  D.helping

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• 3All _____ is a continuous supply of the necessities of life.

  A.what is needed

  B.for our needs

  C.the thing needed

  D.that is needed

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• 4 Nowhere else in the world ______ cheaper tailoring than in Hong Kong.

  A.a tourist can find

  B.can a tourist find

  C.a tourist will find

  D.a tourist has found

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• 5 Later，I realized that I didn't know his name or the least bit about him，________intend to ask．

  A.nor did I

  B.I did not

  C.nor I did

  D.either did I

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• 6 —Why was _______ you lost all your keys？ —It was because of my carelessness.

  A.that

  B.what

  C.it that

  D.One

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• 7 The child tiptoed quietly to the bird, __________ into the forest when he was about to catch it.

  A.Flew it away

  B.Away flew it

  C.Away it flew

  D.Flew away it

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• 8 I don't know _________ makes her afraid of having her business discussed.

  A.what it is about Mary that

  B.that is it abut Mary what

  C.what is it about Mary that

  D.that is about Mary what

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• 9 They made many records, _____ they will always be remembered.

  A.for that

  B.to which

  C.for which

  D.to that

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• 10I've already told you that I'm going to but it, __________.

  A.however much it costs

  B.how much does it cost

  C.however does it cost much

  D.no matter how it cost

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