◎ 题干
It was the third time that I _____ to Beijing.
[     ]
A. have been
B. had been
C. was
D. been
◎ 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“It was the third time that I _____ to Beijing. [ ]A. have been B. had beenC. was D. been …”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。