mature,responsible,convenient,logical,ability这几个词语用dis-,in-(im-,ir-,il-),non-,un-,这几个前缀如何构成与之相反的词语?该如何搭配?还有familiar和polite~

Mature mature responsible 反义词PHLEGMATICA vivaciousB valiantC aridD healthyE mature我选C 翻译Mature? Mature是什么意思 mature是什么意思 mature是什么意思 responsible responsible dating mature,responsible,convenient,logical,ability这几个词语用dis-,in-(im-,ir-,il-),non-,un-,这几个前缀如何构成与之相反的词语?该如何搭配?还有familiar和polite~ 英语翻译LOREALage perfect pro-calcium for mature,dull skinradiance perfectorsheer tint moisturizerpure vitamin c + calcium microspheres Which is the colour of the mature A.Orange B.Green C.Yellow D.White 一道关于虚拟语气的英语题He felt as if he alone( )what had happened.A.be responsible toB.should be responsible for C.had been responsibleD.were responsible forC选项后面也是had been responsible for Responsible是什么意思? trianing responsible you make me mature TO be a mature Mature young是什么牌子