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    -I’m sure your brother Andrew will win the first prize in the English contest. -I think so. He for it for two months. A. is preparing B. was preparing C. had been preparing D. has been preparing 【查看更多】

     

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    —I’m sure your brother Andrew will win the first prize in the English contest.

      —I think so. He ________ for it for two months.

    A. is preparing                                                 B. was preparing          

    C. had been preparing                                       D. has been preparing

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