◎ 题干
It's the second time that I _____ in Shanghai! What great changes have taken place in Shanghai! It is ten years since I _____ it last time.

A. have been; left
B. had been; left
C. have been; had left
D. went; had left
◎ 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“It's the second time that I _____in Shanghai! What great changes have taken place in Shanghai! It is ten years since I _____it last time. [ ]A. have been; le…”主要考查了你对  【一般过去时】【现在完成时】  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。