问题

.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:couldn’t have left
D:needn’t leave

正确答案是：

同类题型

_______you need any help, please don’t hesitate to let me know.

Our teacher is very busyHe is ________ in working out a teaching plan

________the woman with big eyes —She’s my aunt.

下列各句语言表达得体的一项是

Although we may not realize _________, when we talk with others we make ourselves understood not just by words but also by body movements.