1.
问题描述：
1.
--You were brave enough to raise objrctions at the meeting.
--Well,now I regger__________that.
A.to do B.to be doing
C.to have done D.having done
2.
It took the workmen only two hours to finish__________my car.
A.repairing B.repair
C.to repair D.repaired
3.
The classroom wants__________.
A.clean B.cleaned
C.to clean D.cleaning
尤其是第一题，我选的是C
答
1.D regret doing 后悔做某事 regret to do 遗憾要做某事 如:I regret to tell you that...很遗憾告诉你(还没有告诉),这里已经做了并强调影响所以用having done2.A finish doing sth.完成某事 如:finish reading a b...