◎ 题干
---What’s the matter with John? He has been sitting there for hours.
---A postcard from his father_______ an attack of home-sickness in him.
A.took upB.set offC.brought inD.built up
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“---What’s the matter with John? He has been sitting there for hours.---A postcard from his father_______ an attack of home-sickness in him.A.took upB.set off…”主要考查了你对  【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。