◎ 题干
I regret ____ that wonderful exhibition last week.

A. not to see        
B. having not seen    
C. to not see      
D. not having seen
◎ 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“I regret ____ that wonderful exhibition last week. [ ]A. not to see B. having not seen C. to not see D. not having seen…”主要考查了你对  【动名词的完成式】  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。