◎ 题干
Although he is only a _____ boy. He knows a lot.
A.five year old
B.five-year-old
C.five-years-old
D.five-year-olds
◎ 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“Although he is only a _____ boy. He knows a lot.A.five year oldB.five-year-oldC.five-years-oldD.five-year-olds…”主要考查了你对  【形容词】  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。