◎ 题干
— ______ did your aunt leave China?
— She ______ for three years.
[     ]
A. When; has left
B. When; has been away
C. How long; has left
D. How long; has been away
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“— ______ did your aunt leave China? — She ______ for three years. [ ]A. When; has leftB. When; has been awayC. How long; has left D. How long; has been…”主要考查了你对  【疑问副词】【现在完成时】  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。