◎ 题干
—Where's your mother?
—She _____ Shanghai. She won't be back _____ next week.

A. has gone to, until
B. has been to, until
C. has been to, after
D. has gone to, after
◎ 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“—Where's your mother? — She _____ Shanghai. She won't be back _____ next week. [ ]A .has gone to , untilB. has been to , until C. has been to , after D.…”主要考查了你对  【现在完成时】【介词】  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。