◎ 题干
Lucy is an               girl and her brother is _______.  
[     ]
A. eight-year-old; ten years old  
B. eight years old; ten years old  
C. eight-year-old; ten  years -old  
D. eight-year-old; ten 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“Lucy is an girl and her brother is _______. [ ]A. eight-year-old; ten years old B. eight years old; ten years old C.eight-year-old; tenyears -old D. eigh…”主要考查了你对  【可数名词(单数名词,复数名词)】【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。