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    There is boy pouring waste water into the river. A. a 8-year-old B. a 8-years-old C. an 8-year-old D. an 8-yeas-old 【查看更多】

     

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    There is _____ boy pouring waste water into the river.
    [     ]
    A. an 8 years old
    B. a 8-years-old
    C. an 8-year-old
    D. an 8-years-old

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