◎ 题干
- Have you been to the Great Wall?
- Perhaps not in my memory. ________, it might have been during my early childhood.    
[     ]
A. If any            
B. If ever            
C. If once            
D. If not
◎ 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“- Have you been to the Great Wall?- Perhaps not in my memory. ________, it might have been during my early childhood.[ ]A. If anyB. If everC. If onceD. If…”主要考查了你对  【插入语】  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。