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    35．There many kinds of birds around here, but now we seldom see them because of the air pollution. A．use to B．use to have C．use to be D．are 【查看更多】

     

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    There _____ many kinds of birds around here,
    but now we seldom see them because of the air pollution.
    [     ]
    A. use to
    B. use to have
    C. used to be
    D. are

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    There _____ many kinds of birds around here, but now we seldom see them because of the
    air pollution.
    [     ]
    A. use to
    B. use to have
    C. use to be
    D. are

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    There _____ many kinds of birds around here, but now we seldom see them because of the air pollution.
    [     ]
    A. had
    B. used to have
    C. used to be
    D. are

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