◎ 题干
– Do you have any plans for this Sunday?
– Yes, I _______ my grandparents.
A. am visiting                      B. visited                      C. have visited
◎ 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“– Do you have any plans for this Sunday? – Yes, I _______ my grandparents. A. am visiting B. visited C. have visited…”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。