◎ 题干
I don't know ____. You'd better ask Mr Wang.
[     ]
A. where has he gone
B. where has he been
C. where he has gone
D. where he had gone
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“I don't know ____. You'd better ask Mr Wang. [ ]A. where has he gone B. where has he beenC. where he has goneD. where he had gone …”主要考查了你对  【现在完成时】【宾语从句】  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。