717.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
718.I can't stand _______ with Jane in the same office.She just refuses ______ talking while she works.
A.working;stopping
B.to work;stopping
C.working;to stop
D.to work;to stop
717.答案是D;根据句意判断，此处应用regret not doing sth.后悔没有干某事。
718.答案是C;stand doing sth.容忍做某事。Refuse to do sth.拒绝做某事。
