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    The majority of doctors smoking is harmful to health. a. are believed b. had believed c. has believed d. believe 【查看更多】

     

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    The majority of doctors ______ smoking is harmful to health.

    A. are believed         B. had believed         C. has believed         D. believe

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    .  The majority of doctors ______ smoking is harmful to health.

    A. are believed    B. had believed    C. has believed    D. Believe

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    The majority of doctors ______ smoking is harmful to health.

    A.are believed　 B. had believed　 C. has believed　 D. believe

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    The majority of doctors ________ smoking is harmful to health

    [　　]

    A．are believed

    B．had believed

    C．has believed

    D．believe

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