高中英语改错
SomeAmericansjudgesuccessonthelength76.
ofhisvacations.Themanwhogetsamonth’s77.
vacationeachyearconsiderhimselfmoresuccessful78.
thanthemangetstwoweeks.Manypeoplewant79.
tobeteachersbecauseitisteacherswhocan80.
getathree-monthvacationeveryyear.Somecollege81.
teacherswhoteachthethreeclassesconsider82.
themselveslesssuccessfulthanthatwhoteach83.
onlyoneortwo,ornoneinall.Inshort,theless84.
workAmericansdo,thelesssuccessfulthey85.
considerthemselves.
第79句Manypeoplewanttobeteachersbecauseitisteacherswhocangetathree-monthvacationeveryyear正确答案并没有错误,这句话我不是很明白itisteacherswhocangetathree-monthvacation,为什么用itisteachers?为什么teacher是复数?itis不是应该+单数名词吗?