◎ 题干

--- Jack, I haven't seen your brother for a long time.
--- He _______ Shanghai on business for two months.
A. has gone to   B. has been in   C. has been to
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“--- Jack, I haven't seen your brother for a long time. --- He _______ Shanghai on business for two months.A. has gone to B. has been in C. has been to…”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。