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    There a number of natural mysteries in the world that even make scientists . A. exists; confusing B. are existed; confused C. exist; confused D. exist; confusing 【查看更多】

     

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    There______ a number of natural mysteries in the world that even make scientists ______


    1. A.
      exists; confusing
    2. B.
      are existed; confused
    3. C.
      exist; confused
    4. D.
      exist; confusing

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    There______ a number of natural mysteries in the world that even make scientists ______.

       A. exists; confusing                     B. are existed; confused

       C. exist; confused                       D. exist; confusing

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    There______ a number of natural mysteries in the world that even make scientists ______.

    A. exists; confusing                     B. are existed; confused

    C. exist; confused                       D. exist; confusing

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    There______ a number of natural mysteries in the world that even make scientists ______.

    A．exists; confusing

    B．are existed; confused

    C．exist; confused

    D．exist; confusing

     

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    There______ a number of natural mysteries in the world that even make scientists ______.

    A．exists; confusingB．are existed; confused
    C．exist; confusedD．exist; confusing

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