定语从句that与which特定用法在定语从句中，当先行词是物时，引导词that和which常常可以通用，但以下几种情况需注意。注意1只宜于用which，不用that的情况。(1)先行词为that，those时。What’sthatwhichisunderthedesk?在桌子底下的那个是什么？(2)引导词（关系代词）前有介词时。Thisistheroominwhichhelives.这是他居住的房间。注意2只宜于用that，不用which的情况。(1)先行词是形容词最高级或者它的前面有形容词最高级修饰时。ThefilmisthemostinterestingthatIhaveeverseen.这部电影是我看过的最有趣的一部。Englishisthemostdifficultsubjectthatyouwilllearnduringtheseyears.英语会是这些年你学的最难的科目。(2)先行词是序数词或它的前面有last或序数词修饰时。It’sthefirstfilmthatIsawthisyear.这是我今年看的第一部电影。Tomisalwaysthefirstthatcomestotheclassroom.Tom总是第一个到教室的人。(3)主句以疑问词who，which开头时，不用which或who，以避免重复。Whichisthebikethatyoulost?哪辆是你丢的自行车？(4)先行词既有人又有物时。Theyaretaikingaboutthesutdentsandtheschoolthattheyvisitedyesterday.他们正在谈论昨天访问的学生和学校。(5)先行词是all,much,little,something,everything,anything,nothing,none,theone等代词时。Youshouldhandinallthatyouhave.你应该把你有的所有上交。Wehaven’tgotmuchthatwecanofferyou.我们没有太多能提供给你。Isthisschooltheonethatwearegoingtovisittomorrow?这所学校是我们明天要参观的那个吗？Isthereanythingthatyouwanttobuy?你有什么想要买的东西吗？(6)先行词前有no,any,few,little,all,theonly,thesame,thevery等词修饰时。Theonlythingthatwecandoistogiveyousomemoney.我们能做的唯一的事就是给你一些钱。Therearenochildrenthatdon’tlovetheirparents.没有孩子不爱他们的父母。专项训练一、用that或which或that∕which填空。1.Thisisall__________Iknowabouttheaccident.2.Heistheonlyman__________Icanfindforthework.3.Youmustwatcheverythingcarefully__________theteacherdoesinclass.4.Isthehouse___________hewantedtosellverybig?5.Thisisoneofthemostexcitingfootballgames__________Ihaveeverseen.6.Thelastplace__________wevisitedinthecountrysidewasafarm.7.Isawadeskon__________therewasabook.8.ThefirstEnglishnovel__________IreadwasGoneWithWind.9.Whenhecamebackfromabroad,Johntoldhisparentsaboutthecitiesandthepeople__________hehadvisited.10.Mikemissedthebus__________startedat6:00am.11.Whoistheman__________isspeakingthere?12.Thisistheverybook__________Iwanttoborrow.二、单项选择1.Isthereanyquestion_______troublesyoumuch?A.whichB.thatC.whoD.what2.Thelastplace_____wevisitedwastheGreatWall.A.whichB.thatC.where