--- You did very well at the meeting, Black.

--- Well, I regret ___________ that to the boss.

A. say????????????? ????????????? ????????????? ????????????? B. to say????????????? ????????????? ????????????? ????????????? C. said????????????? ????????????? ????????????? ????????????? D. saying

—You were brave enough to raise objections at the meeting.
--Well , now I regret ____that.

25. ---You ____ him more help, even though you were very busy.

---Well, now I regret not.

 I regret ____you that we are unable to offer you employment.

A. informing    B.having informed   C.to inform   D.to have informed

I regret ___ harder in the past two years.

  A. not having studied  B.having studied   C.having not studied  D.not being studied