题目内容
---I was really anxious about you.
---I'm terribly sorry.I________ home without a word.
- A.mustn't leave
- B.shouldn't have left
- C.could have left
- D.need have left
B
shouldn't have done意为“本不应该做”。
shouldn't have done意为“本不应该做”。
练习册系列答案
相关题目