◎ 题干

. Not until _______ smoking ________ healthy lungs.
A.did he five up, he hadB.did he give up, did he have
C.he gave up, he hadD.he gave up, did he have
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“. Not until _______ smoking ________ healthy lungs.A.did he five up, he hadB.did he give up, did he haveC.he gave up, he hadD.he gave up, did he have…”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。