英语翻译A.can't have been B.mustn't have been C.shouldn't have b

英语翻译A.can't have been B.mustn't have been C.shouldn't have b He must have been there yesterday,___he?A.must B.mustn't C.w They have never been to Shanghai,_they?A have B haven't C do 1、shouldn't have done mustn't have done can't havedone 有什么区别 can't have been和must have been 用should,shouldn’t,must,mustn’t,needn’t,can’t ,may,have to 填空 I have ____ the bike for a year a become b.became c.been.d t A.have;does't have B.have;don't have C.don't have He can't have been ill. 关于can't have been的句子 用can't have been造句! I( ) there for three years.A went B have C haven't been Dwas