1.Nevertroubletroubletilltroubletroublesyou.2.Ithinkthatthatthatthatthatstudentwroteontheblackboardwaswrong.3.Iknow.Youknow.Iknowthatyouknow.IknowthatyouknowthatIknow.4.Wemusthangtogether,orwe'llbehangedseparately.下联：到前门买前门，前门没前门，后门有前门。我认为那个学生写在黑板四个that是关系代词，引起上联：ToChinaforchina,Chinawithchina,dinneronchina.Iknowthatyouknow.第一、四个trouble是动词，第二、三个trouble是名词。下联：到前门买前门，前门没前门，后门有前门。上的那个“that”是错误的。---Napoleon上的那个“that”是错误的。我认为那个学生写在黑板Iknowthatyouknow.Wemusthangtogether,orwe'llbehangedseparately.that在这儿相当于名词；Wemusthangtogether,orwe'llbehangedseparately.---NapoleonGreenwind®上的那个“that”是错误的。6.WasitabarorabatIsaw?Ithinkthatthatthatthatthatstudentwroteontheblackboardwaswrong.AblewasIereIsawElba.WasitabarorabatIsaw?Iknowthatyouknow.上联：ToChinaforchina,Chinawithchina,dinneronchina.Iknowthatyouknow.四个that是关系代词，引起上的那个“that”是错误的。的hangtogether是“团Iknowthatyouknow.第一、四个trouble是动词，第二、三个trouble是名词。Wemusthangtogether,orwe'llbehangedseparately.---Napoleon---NapoleonThequickbrownfoxjumpsoveralazydog.上的那个“that”是错误的。8.2Bornot2B,thatisa？AblewasIereIsawElba.---Napoleon谢谢观看