◎ 题干
Mr. Wang is an _____ man.

A. 80-years-old
B. 28-year-old
C. 80-year-old
D. 28-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“Mr. Wang is an _____ man.[ ]A. 80-years-old B. 28-year-old C. 80-year-old D. 28-years-old…”主要考查了你对  【可数名词(单数名词,复数名词)】【不定冠词(a,an)】  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。