问题 选择题

I was really anxious about you. You___home without a word.

A.mustn’t leave

B.shouldn’t have left

C.couldn’t have left

D.needn’t leave

答案

答案:B

shouldn’t have done表示“过去本来不应该做某事而事实上已经做了”。

选择题
单项选择题 A1/A2型题