I felt much regret now that I_______then.
A.should stay at home B.ought to stay at home
C.should have stayed at home D.might have stayed at home
I felt much regret now that I_______then.
A.should stay at home B.ought to stay at home
C.should have stayed at home D.might have stayed at home
C
“过去应当怎样却没有”,也可以用ought to have done sth.。