◎ 题干
—I haven't seen your sister for a long time.
—She _______ Beijing on business for a month.

A. went to
B. has gone to
C. has been to
D. has been in
◎ 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“—I haven't seen your sister for a long time. —She _______ Beijing on business for a month. [ ]A. went to B. has gone to C. has been to D. has been in …”主要考查了你对  【实义动词的过去分词】【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。