◎ 题干
—Robert is indeed a wise man.   
—Oh, yes. How often I have regretted         his advice!
[     ]
A. to take    
B. taking    
C. not to take      
D. not taking      
◎ 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“—Robert is indeed a wise man.—Oh, yes. How often I have regretted his advice![ ]A. to takeB. taking C. not to take D. not taking …”主要考查了你对  【现在分词】  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。