◎ 题干
— Where on earth have they gone?
— I have no idea, but I wish I _____ .
[     ]
A. know
B. knew
C. would know
D. would have known
◎ 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“— Where on earth have they gone? — I have no idea, but I wish I _____ . [ ]A. knowB. knew C. would know D. would have known …”主要考查了你对  【虚拟语气】  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。