◎ 题干
The boy is _____. Today is his _____ birthday.

A. twentieth; twenty
B. twenty; twentieth
C. twenty; twenty
D. twentieth; twentieth
◎ 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 _____. Today is his _____ birthday.[ ]A. twentieth; twenty B. twenty; twentieth C. twenty; twenty D. twentieth; twentieth …”主要考查了你对  【基数词】【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。