问题
选择题
We were all waiting for you. You _____ for the seaside by yourself without
leaving a message.
A．mustn’t leave
B．shouldn’t have left
C．could not have left
D．needn’t leave
答案
答案：B
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We were all waiting for you. You _____ for the seaside by yourself without
leaving a message.
A．mustn’t leave
B．shouldn’t have left
C．could not have left
D．needn’t leave
答案：B