◎ 题干
— You were out when I dropped in at your office.
— Oh, I _____ a meeting.

[     ]

A. was having
B. have had
C. am having
D. had had
◎ 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“— You were out when I dropped in at your office. — Oh, I _____ a meeting. [ ]A. was having B. have had C. am having D. had had …”主要考查了你对  【过去进行时】  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。