What a pity! I ______in Hainan two more days,but something urgent needed to be dealt with back home.
A.must have stayed |
B.needn't have stayed |
C.may have stayed |
D.could have stayed |
推荐套卷
What a pity! I ______in Hainan two more days,but something urgent needed to be dealt with back home.
A.must have stayed |
B.needn't have stayed |
C.may have stayed |
D.could have stayed |