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    Canada, the U.S., the U.K. and Australia English-speaking countries. A. is B. are C. do D. does 【查看更多】

     

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    单项填空。
    Canada, the U.S., the U.K. and Australia ______ English-speaking countries.
    [     ]
    A. is
    B. are
    C. do
    D. does

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