请教has及have在句子中是否发音whichhassincebeensenttoamuseumwhereitis/weərits/beingexaminedbyascientist,iscalledanoarfish.Suchcreatureshaverarelybeenseenalivebymanastheyliveatadepthofsixhundredfeet.

　　请教has及have在句子中是否发音

　　whichhassincebeensenttoamuseumwhereitis/weərits/beingexaminedbyascientist,iscalledanoarfish.Suchcreatureshaverarelybeenseenalivebymanastheyliveatadepthofsixhundredfeet.

　　这是新概念二册82课中的两句,我没听出来has及have发音了,是不是在长句子中has及have可以不发音.

　　我仔细听了好多遍，都没听出来她发音了啊。