◎ 题干
— Liu Jun knows a lot about New York.
— So he does. I heard he ____ before.
[     ]
A.had gone there
B.had been there
C.has gone there
D.has been there
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“— Liu Jun knows a lot about New York. — So he does. I heard he ____ before.[ ]A.had gone there B.had been there C.has gone there D.has been there …”主要考查了你对  【过去完成时】  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。