12.I was really anxious about you,you _____home without a word.A._英语解答

12.I was really anxious about you,you _____home without a word.
A.mustn’t leave\x05
B.shouldn’t have left\x05
C.couldn’t have left
D.needn’t leave
选B为什么
为什么要用完成时

人气：186 ℃　时间：2019-12-18 02:49:58

解答

shouldn't have done本不应该做而做了；我真的很担心你,你本不该一句话也不说就离开家的.A不准离开C不可能离开D不必离开这并不是指完成式,而是虚拟语气的几种结构.重点,一定要记牢