◎ 题干
----How many times have you been to China?
--- In fact, it is the third time that I __________ here.
A.was B.am C.had been D.have 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“----How many times have you been to China?--- In fact, it is the third time that I __________ here.A.wasB.amC.had beenD.have been…”主要考查了你对  【therebe句型】  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。