◎ 题干
—When did Bob leave?
—I have no idea. I ________ a shower upstairs.
A.tookB.have taken
C.was takingD.would take
◎ 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“—When did Bob leave?—I have no idea. I ________ a shower upstairs.A.tookB.have takenC.was takingD.would take…”主要考查了你对  【一般现在时】【将来进行时】【过去完成进行时】【过去将来时的被动语态】  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。