◎ 题干
—I called you last night, but you didn’t answer it.
—I’m terribly sorry. I ______ a meeting at that time.
[     ]
A. had
B. was having
C. am having
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“—I called you last night, but you didn’t answer it.—I’m terribly sorry. I ______ a meeting at that time.[ ]A. hadB. was havingC. am having…”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。