◎ 题干
--- how was your weekend?
---- Great! It was my grandfather’s _______ birthday. We enjoyed ourselves.
A.seventy B.seventieth C. the seventieth D.seventeenth
◎ 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“--- how was your weekend? ---- Great! It was my grandfather’s _______ birthday. We enjoyed ourselves.A.seventyB.seventiethC. the seventiethD.seventeenth…”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。