◎ 题干
—How old is your brother? 
—_____. We had a party for his _____ birthday last Sunday(上个星期天).
[     ]
A. Nine; nine    
B. Nine; ninth  
C. Ninth; ninth  
D. Ninth; nine
◎ 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“—How old is your brother?—_____. We had a party for his _____ birthday last Sunday(上个星期天). [ ]A. Nine; nineB. Nine; ninthC. Ninth; ninthD. Ninth;…”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。