◎ 题干
— Why were you wet through when you came to the meeting?
— Because I _____ in the gym.

A. work out
B. had been working out
C. was working out
D. had been worked out
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“— Why were you wet through when you came to the meeting? — Because I _____ in the gym. [ ]A. work out B. had been working out C. was working outD. had been…”主要考查了你对  【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。