问题

We were all waiting for you. You _____ for the seaside by yourself withoutleaving a message.

A:mustn’t leave
B:shouldn’t have left
C:could not have left
D:needn’t leave

正确答案是：

同类题型

People complain that the price of theapartment isgetting.

Why is he not allowed to stay here?, it’s his home．

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