◎ 题干
---Bob looks upset. What has happened to him?
---Perhaps his failure to the exam___ his low spirits.
A.accounts forB.looks forC.makes forD.takes for
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“---Bob looks upset. What has happened to him? ---Perhaps his failure to the exam___ his low spirits.A.accounts forB.looks forC.makes forD.takes for…”主要考查了你对  【动词短语】【动词】  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。