◎ 题干
By the end of last week, she______in the west of China for two months helping the homeless children.
A.will stayB.has stayed
C.would stayD.had stayed
◎ 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“By the end of last week, she______in the west of China for two months helping the homeless children.A.will stayB.has stayedC.would stayD.had stayed…”主要考查了你对  【一般现在时】【过去进行时】【过去完成进行时】  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。