◎ 题干
We are organizing a lot of activities to celebrate the _______ birthday of the Communist Party of China these months.
A.nineteenB.ninetyC.nineteenthD.ninetieth
◎ 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“We are organizing a lot of activities to celebrate the _______ birthday of the Communist Party of China these months.A.nineteenB.ninetyC.nineteenthD.ninetieth…”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。