◎ 题干
—When is your birthday?  
—My birthday is ___________.    
[     ]
A. in January nineth  
B. on January nineth  
C. on January ninth
◎ 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“—When is your birthday? —My birthday is ___________.[ ]A. in January nineth B. on January ninethC. on January ninth…”主要考查了你对  【序数词】【介词】  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。