◎ 题干
—How long have you been going to work on foot?
—Since last month when I ________ from a heart attack.
A.recoveredB.have recovered
C.was recoveringD.would recover
◎ 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“—How long have you been going to work on foot?—Since last month when I ________ from a heart attack.A.recoveredB.have recoveredC.was recoveringD.would recover…”主要考查了你对  【一般过去时】【一般过去时的被动语态】  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。