(单选题)23: We were all waiting for you; you _____ for the seaside by yourself without leaving a message.
A: mustn’t leave
B: needn’t leave
C: shouldn’t have left
D: couldn’t have left
(责任编辑:admin) |
(单选题)23: We were all waiting for you; you _____ for the seaside by yourself without leaving a message.
A: mustn’t leave
B: needn’t leave
C: shouldn’t have left
D: couldn’t have left
(责任编辑:admin) |