◎ 题干
My aunt has a______son.
A.four-years oldB.four-year-oldC.fourth-year-oldD.four-years-old
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“My aunt has a______son.A.four-years oldB.four-year-oldC.fourth-year-oldD.four-years-old…”主要考查了你对  【基数词】【序数词】【时刻】【分数】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。