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        1. —How long _______it _______ you to work out such a difficult problem?

          —About thirty minutes.

          Adid take                  Bdoes take                 Cdidcost

          1、A

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           —How long _______it _______ you to work out such a difficult problem?

             —About thirty minutes.

             A. did… take                                       B. does… take                                   C. did…cost

           

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          —How long _______it _______ you to work out such a difficult problem?
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          科目:初中英語 來源: 題型:

          —How long _______it _______ you to work out such a difficult problem?

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          —How long _______it _______ you to work out such a difficult problem?
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          —How long _______it _______ you to work out such a difficult problem?
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          How long ________ it ________ you to work out such a difficult problem?

          About thirty minutes

          [  ]
          A.

          didtake

          B.

          doestake

          C.

          didcost

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          -How long ________ it ________ you to work out such a difficult problem?

          -About thirty minutes.

          [  ]
          A.

          did…take

          B.

          does… take

          C.

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