◎ 题干
-Did you notice your mother go out a moment ago?    
-No,I didn’t. I _______ TV then.
[     ]
A. have watched
B. am watching
C.was watching    
D.watched
◎ 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 your mother go out a moment ago?-No,I didn’t. I _______ TV then.[ ]A. have watched B. am watching C.was watchingD.watched…”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。