◎ 题干
When I got there, the meeting _____ for ten minutes.

A. has been on
B. had begun
C. had been on
D. has begun
◎ 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“When I got there, the meeting _____ for ten minutes. [ ]A. has been on B. had begun C. had been on D. has begun …”主要考查了你对  【过去完成时】  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。