◎ 题干
---I hear Liza and her husband have flown to Hawaii for their honeymoon.
---Oh, how nice! Do you know when they         ?
A.were leaving B.had left C.have leftD.left
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“---I hear Liza and her husband have flown to Hawaii for their honeymoon.---Oh, how nice! Do you know when they?A.were leaving B.had left C.have leftD.left…”主要考查了你对  【一般过去时】【一般过去时的被动语态】  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。