问题
选择题
—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
答案：D
题目分析：考查动名词：句意：--罗伯特真是一个聪明的男人！---哦，确实。多少次我都后悔没听他的建议regret (not) doing sth 后悔（没）做某事，regret to do很遗憾要做…，选D。