—Who left the door open? — Oh, sorry. I
题型:选择题
问题:
—Who left the door open?
— Oh, sorry. I _____ the door.
A.ought to lock
B.should lock
C.ought to have locked
D.could lock
—Who left the door open?
— Oh, sorry. I _____ the door.
A.ought to lock
B.should lock
C.ought to have locked
D.could lock