◎ 题干
The boy is only _____ and today is his _____ birthday.
A. nine; nine           B. ninth; nine  C. nine; 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“The boy is only _____ and today is his _____ birthday.A. nine; nine B. ninth; nine C. nine; ninth…”主要考查了你对  【基数词】【序数词】【时刻】【分数】  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。