(2013·青岛高三统一质检)—Robert is indeed a wise man.
—Oh, yes. How I regretted his advice.
A. to take
B. taking
C. not to take
D. not taking
网友回答
A. to take
B. taking
C. not to take
(答案→)D. not taking
解析：选D 考查非谓语动词作宾语。句意：“罗伯特确实是一个聪明的人。”“是的，我多么后悔没听他的建议。”regret not doing sth.表示“对未做某事感到后悔”。