◎ 题干
The  Shanghai World Expo came to an end on October 1st, _____ turned out to be a great success.
[     ]
A. which  
B. when
C. that  
D. it
◎ 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“TheShanghai World Expo came to an end on October 1st, _____ turned out to be a great success. [ ]A. whichB. whenC. thatD. it…”主要考查了你对  【关系代词】【非限制性定语从句】  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。