◎ 题干
The 30th Olympic Games, officially_____as "London 2012 Olympic Games",will take place from July
27 to August 12.
[     ]
A. know        
B. to know        
C. known        
D. knowing
◎ 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“The 30th Olympic Games, officially_____as "London 2012 Olympic Games",will take place from July27 to August 12.[ ]A. knowB. to knowC. known D. knowing…”主要考查了你对  【过去分词】  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。