◎ 题干
—What were you doing when the earth quake happened in Jilin?
—I________TV when I heard the news.
A.was watching B.watchC.am watchingD.were 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“—What were you doing when the earth quake happened in Jilin?—I________TV when I heard the news.A.was watching B.watchC.am watchingD.were watching…”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。