◎ 题干
— How old is your son?   — Five.
—We will have a special party for his            birthday .
A.fiveB.fifthC.fifteenD.fifteenth
◎ 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 son? — Five.—We will have a special party for his birthday .A.fiveB.fifthC.fifteenD.fifteenth…”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。