◎ 题干
— Did you notice the boy come in?
— No, I didn't because I ______ a film.
[     ]
A. had watched
B. have watched
C. was watching
D. am watching
◎ 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“— Did you notice the boy come in? — No, I didn't because I ______ a film. [ ]A. had watched B. have watched C. was watching D. am watching …”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。