◎ 题干
I got a beautiful bike on ______ birthday. I like it very much.

A. fifteenth
B. fifteen
C. my fifteen
D. my fifteenth
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“I got a beautiful bike on ______ birthday. I like it very much .[ ]A. fifteenthB. fifteen C. my fifteen D. my fifteenth…”主要考查了你对  【序数词】  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。