◎ 题干
He was wild with joy when he ______ a solution to the difficult problem.
A.made up with B.put up withC.came up withD.kept up with
◎ 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“He was wild with joy when he ______ a solution to the difficult problem.A.made up with B.put up withC.came up withD.kept up with…”主要考查了你对  【一般过去时】【一般过去时的被动语态】  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。