【题目】--- Robert is indeed a wise man.
--- Oh, yes. How often I have ______ not taking his advice!
A.defendedB.toleratedC.missedD.regretted
在线课程【答案】D
【解析】
考查动词。句意：——罗伯特的确是个聪明人。——哦，是的。我常常后悔没有采纳他的建议。A. defended辩护，防御；B. tolerated容忍；C. missed错过，想念；D. regretted遗憾，后悔。固定搭配：regret doing sth.后悔曾做过某事。故选D。