should have doneit is surprising that he _____ have been so foolish.A.should B.must C.could D.might应该选择什么,为什么?如果这边是竟然的意思，那为什么要用have done的形式呢.直接 should be so foolish

should have doneit is surprising that he _____ have been so foolish.A.should B.must C.could D.might应该选择什么,为什么?如果这边是竟然的意思，那为什么要用have done的形式呢.直接 should be so foolish I Should Have Known 歌词 what feeling should i have I should have learnt是什么意思 I should have already arrived HK yesterday . I should already have been mature 求I should have told you 英文歌词 I Should Have Told You歌词 I Should Have Known Better 歌词 I/we should have been working.是什么意思 i should don't have pushed it I Should Have Known Better (Live) 歌词 I should have listened to you yesterday.为什么加HAVE I should have keep my room clean.为什么加have? What should i do?i have no idea. Should it matter what I do what I have done? I think I should have a talk with him. What should i do?i have no idea.