帮我解析这句英语From what has been discussed above.中what可用it代替吗,这句是什

From what has been discussed above,…. From what has been discussed above,we may safely draw From what has been discussed above,的语法? 英语句子翻译 From what has been discussed above,we may safely draw 英语翻译from what has been discussed above,we may safely draw th Form what have been discussed above,it admits of no doubt th From what has been mentioned from what has been under discussion 帮我分析一下句子 1.What a bad day it has been for me.2.,Sam answered All that has been discussed above points to the fact that th it is…… since……句型中is 可用was ,has been替代吗? What a bad day it has been for me!