定语从句练习：找出正确选项并把句子译成汉语21.Theletterisfrommysister,______isworkinginBeijing.()A.whichB.thatC.whomD.who22.Inourfactorythereare2,000workers,twothirdsof____arewomen().A.themB.whichC.whomD.wh

　　定语从句练习：找出正确选项并把句子译成汉语

　　21.Theletterisfrommysister,______isworkinginBeijing.()

　　A.whichB.thatC.whomD.who

　　22.Inourfactorythereare2,000workers,twothirdsof____arewomen().

　　A.themB.whichC.whomD.who

　　23.You'retheonlyperson______I'veevermet______coulddoit.()

　　A.who;/B./;whomC.whom;/D./;who

　　24.Ilostabook,______Ican'tremembernow.()

　　A.whosetitleB.itstitleC.thetitleofitD.thetitleofthat

　　25.LastsummerwevisitedtheWestLake,______Hangzhouisfamousintheworld.()

　　A.forwhichB.forthatC.inwhichD.what

　　26.Ihaveboughtsuchawatch_______wasadvertisedonTV.()

　　A.thatB.whichC.asD.it

　　27.Icanneverforgettheday_______weworkedtogetherandtheday______wespenttogether.()

　　A.when;whichB.which;whenC.what;thatD.onwhich;when

　　28.Theway______helooksatproblemsiswrong.()

　　A.whichB.whoseC.whatD./

　　29.Thisisthereason______hedidn'tcometothemeeting.()

　　A.inwhichB.withwhichC.thatD.forwhich

　　30.Thismachine,______formanyyears,isstillworkingperfectly.()

　　A.afterwhichIhavelookedB.whichIhavelookedafter

　　C.thatIhavelookedafterD.Ihavelookedafter