◎ 题干
—Does he know how to work out the problem?
—Yes, he has _______ a good idea to solve it.
A.caught up withB.kept up withC.come up withD.put 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“—Does he know how to work out the problem? —Yes, he has _______ a good idea to solve it.A.caught up withB.kept up withC.come up withD.put up with…”主要考查了你对  【现在完成时】【现在完成时的被动语态】  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。