◎ 题干
----He is fluent in English because he once stayed in London .
---- Really ? How long _________ there ?
A.did he liveB.has he livedC.had he livedD.does he live
◎ 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 is fluent in English because he once stayed in London . ---- Really ? How long _________ there ?A.did he liveB.has he livedC.had he livedD.does he live…”主要考查了你对  【therebe句型】  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。