◎ 题干
Sun Tiantian , _______ , is a professional tennis player from Zhengzhou.
A.a eighteen years old girl
B.an eighteen-year-old girl
C.an eighteen years old girl
D.a eighteen-year-old girl
◎ 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“Sun Tiantian , _______ , is a professional tennis player from Zhengzhou.A.a eighteen years old girlB.an eighteen-year-old girlC.an eighteen years old girlD.a ei…”主要考查了你对  【专有名词】【名词所有格】【集合名词】【名词】  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。