精选幻灯片-八年级下英语期中复习

,期中复习,1,2020/5/29,Unit1,2,2020/5/29,GrammarFocus,1.Whatsthematterwithsb?=Whatsthetroublewithsb?=Whatswrongwithsb?注：with为介词，后跟人称代词宾格，如her,him,them等。eg:Whatsthematterwithyourmother？Whatswrongwithyou?Whatsthetroublewithher?,某人怎么了,3,2020/5/29,GrammarFocus,在英语中，表达“疼痛或不舒服”时的常用结构：(1)主语+have/has+a病症haveacold/fever(2)主语+have/has+a+sore+发病部位sore是一个独立的形容词，指的是身体某一部位的酸痛。如：soreback,sorethroat,soreback,soreneck.(3)主语+have/has+a+部位-ache-ache作后缀，常与表示身体部位的名词合成一个新词，表身体某部位疼痛，如：toothache,headache,stomachache.,4,2020/5/29,hotteawithhoney加蜂蜜的茶,1.用，使用工具或手段Heiswritingwithapen.他用钢笔写字。,2.和，表陪伴Willyougohomewithme?你和我一起回家吗？,3.随着，与.什么同时Theshadowmoveswiththesun.影子随着太阳而动。,4.表本身拥有Thegirlwithtwobigeyesismysister.那个大眼睛的女孩是我的妹妹。,5,2020/5/29,lie（1）躺，位于lielaylainlying,Allthemotelsliebesidetheroad.,所有的汽车旅馆都位于公路两边.,（2）说谎lieliedliedlying,Ahalftruthisoftennobetterthanalie.半真半假的话不见得比说谎要好。,Heliedthathisschoollayinthenorthofthecity.他撒谎说他的学校位于城市的北面。,6,2020/5/29,Thesuspect(嫌疑犯)tothepolicethatthehammerstillwherehehadit.A.lied;lay;laidB.lied;laid;layC.lay;lied;laidD.lay;laid;lay,lietosb.意为“对某人撒谎”,lie的过去式是lied;第二设空处的lie意为“位于”,过去式是lay;第三设空处的lay意为“安放”,过去式为laid。,这个嫌疑犯对警察谎称锤子还在他放置的地方。,7,2020/5/29,WewillgototheGreatWallifitisfinetomorrow.如果明天天气好,我们会去长城。,8,2020/5/29,Wellgoonafieldtripifitthisweekend.A.wontrainB.isntrainingC.doesntrainD.willrain,假如这个周末不下雨,我们将去野外郊游。,主句是一般将来时,从句要用一般现在时,9,2020/5/29,problemn.问题，难题，习题（有待解决）,questionn.问题（有待回答）,Thisquestionisaproblem.,Theyaredoingsomemathproblems/exercises.,MayIaskyouaquestion?,10,2020/5/29,Whatdidyousee?Isawmanyboysgamesneartheriver.A.playedB.playingC.playsD.toplay,你看见什么了?我看见许多男孩子正在河边做游戏。,11,2020/5/29,seesb.dosth.看见某人干某事强调动作已经完成,看到了全过程我看见Mary捡起了钱包。IseeMarypickupthewallet.(钱包)seesb.doingsth.看见某人正在干某事强调动作正在进行我看见她在街上跳舞。Isawherdancinginthestreet.,see/watch/notice/hear/find/feel,12,2020/5/29,Dearpassengers,ourbusisarrivingatthenextstop.Dontforgettotakeyourthingswhenyou.A.getoffB.getupC.getonD.getin,亲爱的乘客们,我们的公共汽车即将到达下一站。当你下车时不要忘记带上你的东西。,13,2020/5/29,14,2020/5/29,havetroubledoingsth.表示“在做某事方面有困难”。他在记新单词方面有困难。Hehadtroublerememberingnewwords.,IhaveworkingonmathandIneedyourhelp.A.troubleB.timeC.fun,15,2020/5/29,be/getusedto/（doing）习惯于/适应于to介词后加名词或动名词,他习惯于照顾自己。Heisusedtolookingafterhimself.,Apenisusedtowrite.被用来,HeusedtoliveinParis.过去常常usedtodo,be/getusedto/（doing）习惯于/适应于beusedtodosth.被用于做某事。usedtodosth.过去常常做某事。,16,2020/5/29,Youlookmuchhealthierthanbefore.Thankyou.Itoworkbycar.ButnowItoworkonfoot.A.usedtogo;usedtogoingB.amusedtogoing;usedtogoC.usedtogo;amusedtogoing,usedtodosth.表示“过去经常做某事”;beusedtodoingsth.表示“习惯做某事”。,17,2020/5/29,IeatingChinesefood.Whataboutyou?Igetusedtoit,too.A.usedtoB.amusedtoC.amusedfor,Therelotsoftreesonbothsidesofthisstreet.Butnowtheyareallgone.A.usedtohaveB.areusedtobeC.usedtobeD.areusedtohaving,usedtodosth.“过去常常做某事”;beusedtodoingsth.“习惯于做某事”,18,2020/5/29,runout用光，用尽主语常为时间食物金钱，无被动,Mymoneyhasrunout.,runoutof用尽耗尽主语为人,Ihaverunoutofmoney.,savemylifeHesavedhislife.,haveto不得不Ihavetogotoseeher.,saveoneslife挽救某人的生命,19,2020/5/29,Hismoneyalreadylastmonth.A.runoutofB.runoutC.ranoutofD.ranout,runout意为“用完;用尽”,主语通常是“金钱、时间、食物”等无生命的东西;runoutof意为“用完;耗尽”,主语通常是人。,Didyoubuythatcomputer?No,Ididnt.Imymoney.A.thoughtofB.ranoutofC.tookoffD.gotinto,你买那台电脑了?不,没有。我把钱花完了。,20,2020/5/29,Sothat如此.以至于so+adj./adv.HeransofastthatIcouldntcatchupwithhim.Suchthat如此.以至于such+(a/an+)adj.+nHeissuchacleverboythateveryonelikeshim.,在否定句中可与too.to.或enoughto.结构转换,21,2020/5/29,Doyouwanttobuythecamera?Yes,butitisexpensiveIcantaffordit.A.so;astoB.such;thatC.so;thatD.enough;that,such.that.与so.that.都意为“如此以至于”,但such用来修饰名词,so用来修饰形容词或副词。,22,2020/5/29,23,2020/5/29,Heasmallpieceofbreadandgaveittome.A.gotoffB.tookoffC.cutoffD.turnedoff,Noonecanhelpyouallthetime.Youshouldbeyourlife.A.infrontofB.inthewayofC.inneedofD.incontrolof,24,2020/5/29,Should情态动词应该无人称与数的变化肯：主语+should+动原+其他。否：主语+should+not+动原+其他。疑：should+主语+动原+其他？其他表示建议的句型：1.shallwe/I+动原？2.Lets+动原？3.Howabout/whatabout+doing?4.Youdbetter(not)do,25,2020/5/29,Unit2,26,2020/5/29,1、helpsb.out“帮助某人解决难题”。我不能解决这个数学难题。请帮解决我。Icantworkoutthismathproblem.Pleasehelpmeout.,(1)helpsb.withsth.=helpsb.do/todosth在某事上帮助某人IhelphimwithhisEnglisheveryday.,(2)helponeselftosth.随便吃食物等。Helpyourselvestoapples,boys.(3)withthehelpof=withoneshelp在的帮助下。Withthehelpoftheteachers,Igetgoodgradesinallsubjects.,27,2020/5/29,1.makeitpossibleforsb.todosth.“使得某人有可能”Yourhelpmakesitpossibleforhimtosucceed.你的帮助使他有可能成功。,（1）make+itadj.+forsb.+todo，“做某事对某人来说变得怎样”电脑使人们在家学习变得容易。Thecomputermakesiteasyforpeopletostudyathome.,（2）makesb.dosth.，“让某人做”他让我一天工作十小时。Hemademeworktenhoursaday.,28,2020/5/29,YoucanfinddifficulttolearnEnglish.A.thatB.thisC.itD.how,Theheavysnowdidnttheinternationalairlines.A.payattentiontoB.addtoC.keeptoD.makeadifferenceto,DoyouhavedifficultyEnglish?A.tolearnB.oflearningC.learningD.learn,29,2020/5/29,2.makeadifference起重要作用,Whatyoudidmakeadifferencetomylife.,你所做的改变了我的生活。,makeitpossibleforsb.todosth.“使得某人有可能做”Yourhelpmakesitpossibleforhimtosucceed.,（2）makesb形容词，“使”Hiswordsmademehappy.,（3）makesb动词原形，“让做”Hemademeworktenhoursaday.,30,2020/5/29,howtocareforanimals属于“特殊疑问词+动词不定式”的结构我们不知道怎样使用这个照相机。Wedontknowhowtousethecamera.=Wedontknowhowwecanusethecamera.Hedoesntknowwhatheshoulddonext.(改为同义句)Hedoesntknownext.,whattodo,31,2020/5/29,Suchastrongfeelingofsatisfaction属于“such+a/an+形容词+可数名词单数”的结构,表示“如此的”,该结构同“so+形容词+a/an+可数名词单数”。她是如此漂亮的一个女孩。Sheissuchabeautifulgirl.=Sheissobeautifulagirl.,32,2020/5/29,JakeChenisfamousactorthatmanyyoungpeoplelikehim.A.soB.soaC.suchD.sucha,33,2020/5/29,动词短语,Phrasalverb,1.定义:动词之后加介词或副词构成短语,表达一种特定的含义;如果被拆开则不能表达这种特定的含义.,Grammar,(2)代词作宾语时,对于”动词+副词”的短语,代词放在短语动词的中间,对于”动词+介词”的短语,代词放在介词之后.,34,2020/5/29,本课出现的动词短语:,cleanup,setup,giveout,cheerup,comeupwith,putoff,putup,handout,callup,runoutof,takeafter,fixup,giveaway,打扫,建立,建成,发放,派发,高兴,振作,提出,推迟,延后,分发,打电话,用尽,长得像（遗传）,修理,赠送,张贴,35,Tom,yourroomistoodirty.Youmust.A.cleanupitB.cleanupthemC.cleanthemupD.cleanitup,Judylookssad.Lets.A.putupherB.cheerupherC.putherupD.cheerherup,Teachersusuallythetestpaperstenminutesbeforetheexam.A.tryoutB.bringoutC.giveout,Therichmananewhospitalinhishometownlastyear.A.putoffB.setupC.putonD.tookafter,36,Theradiosaysthereisgoingtobeaheavyrainthisafternoon.Ithinkweshouldplantingthetreesuntiltomorrow.A.putonB.putupC.putoffD.putdown,Pollutionisaseriousproblem.Scientistsshouldsomegoodwaystosolveit.A.comeupB.comeonC.comeoutD.comeupwith,Wholooksafteryourchildrenwhenyougotowork?Mymother.Shethreechildrenincluding(包括)mybrothersson.A.talksaboutB.caresforC.worriesaboutD.wakesup,37,Jason,wouldyoupleasethisnotice?Withpleasure.A.putonB.putoffC.putupD.putout,WhodoesBob,hisfatherorhismother?Hismother.Hehasbigeyeslikehismother.A.lookafterB.lookforC.takeafterD.takeaway,Thelittlebabyisntsimilarhermother,butshetakeshergrandmother.A.to;toB.after;toC.to;after,38,Welldowhatwecanthesickman.A.tohelpB.helpC.helpsD.helped,Imsorry,MissGreen.Ileftmymathbookathome.Itdoesntmatter.Pleaserememberitheretomorrow.A.takingB.totakeC.bringingD.tobring,remembertodosth.“记得做某事”(没做),leepingisapopularwayamongstudents.A.relaxB.relaxedC.relaxingD.torelax,动词不定式作后置定语,Afterclimbingthemountain,hewastiredandhadtostoparest.A.tohaveB.havingC.hasD.have,stopdoingsth.“停止做某事”stoptodosth.“停下来去做某事”,39,40,Unit3,41,2020/5/29,1.Couldyoupleasefoldyourclothes?Couldyoupleasedosth.?该句用于委婉地提出请求,并征求别人的许可。肯定回答常用Sure/Certainly/Ofcourse.否定回答常用Sorry/Oh,pleasedont.你能不.吗？Couldyoupleasenotdosth.?,42,2020/5/29,43,2020/5/29,workon正在使用从事于我能用一下你的电脑？CouldIuseyourcomputer?抱歉，我现在要用它工作。Sorry.Imgoingtoworkonitnow.workout算出，制定出Heworkonthemathsproblemlastnight,butdidntworkitout.throwr是动词,意为“扔;掷”,过去式是threwru:过去分词是thrownrn。,44,TheminuteIsatdowninfrontoftheTV,mymomcameover.我一坐到电视前面,我妈妈就过来了。本句是含有时间状语从句的复合句,theminute起连词作用,用来引导时间状语从句,主句是mymomcameover。theminute表示“一就”,相当于assoonas。Illtellhimtheminutehegetsthere.他一到那里,我就会告诉他。Illtellhimassoonashegetsthere.,45,Imjustastiredasyouare!我和你一样累!as.as表示“和一样”,as.as之间要用形容词或副词的原级。她和她哥哥个子一样高。Sheisastallasherelderbrother.我们总是尽可能认真地读书。Wealwaysreadascarefullyaswecan.,46,Helenis15yearsold,andJoanis15,too.SoHelenisJoan.A.asbigasB.asolderasC.asoldasD.sooldas,Imnotgoingswimmingtomorrowafternoon.Ihavetocleanupmybedroom.A.SoamIB.NeitheramIC.NeitherIam,CanIyourpen?Sure.ButyoumustntittoTom.A.borrow;lendB.lend;borrowC.keep;lend,NeitherLiHuanorIgoodatwriting.A.amB.isC.are,47,我不喜欢流行音乐。Idontlikepopmusic.我也不喜欢。NeitherdoI.,我喜欢流行音乐。Ilikepopmusic.我也喜欢。SodoI.,48,Youcankeeponeoftheoldphotos.ofthem.A.NeitherB.BothC.Either,gettheearlybus,Mr.Greengetsupat6oclockeveryday.A.SothatB.InorderthatC.InordertoD.Assoonas,neither两者都不;both两者都;either两者中的任意一个,49,Theyshouldspendtheirtimeonschoolworkinordertogetgoodgradesandgetintoagooduniversity.为了取得好成绩,进入一所好大学,他们应该把他们的时间花在学业上。其中inorderto表示“目的是;为了”,后跟动词原形。inordertodosth.表示“为了做某事”,否定结构是inordernottodosth.“为了不做某事”。为了上学不迟到,他起得很早。Hegotupearlyinordernottobelateforschool.,目的状语,50,为了考试能及格,他努力学习。Hestudiedhardinorderthathecouldpasstheexam.=Hestudiedhardinordertopasstheexam.,51,Theyareusedtoacleanandcomfortableenvironmenttheirguests(客人).A.provide;forB.providing;forC.provide;withD.providing;with,providesb.withsth.和providesth.forsb.“给某人提供某物”,Ifwetravelabroad,weprefertostayinfivestarhotels.Thatsbecausetheyguestswiththebestservicetomakethemfeelathome.A.previewB.provideC.prevent,preview“回顾”;provide“提供”;prevent“防止”,52,Itistheparentsjobtoprovideacleanandcomfortableenvironmentathomefortheirchildren.在家中为他们的孩子提供一个干净、舒适的环境是家长们的事情。表示“提供,供给,供应,装备”,后可接名词或代词作宾语,还可接双宾语,具体用法如下:,53,常见的“动词+on”的短语有:,54,常见的fall短语小结:,illthemoreB.Themore;thebetterC.Theless;thebetterD.Themore;theless,你怎样提高你的英语?你说得越多,你的英语就会越好。,56,Unit4,57,2020/5/29,Doyouknowyesterday?Yes.Hewentfortheboatrace.A.whydidntPetergotoschoolB.whydoesntPetergotoschoolC.whyPeterdidntgotoschoolD.whyPeterdoesntgotoschool,宾语从句的语序为陈述句语序,故排除A与B两项;又根据题干中的yesterday可知用一般过去时,58,2020/5/29,Andy,Iwonderthenewsportsclothes.Ofcoursebycreditcard.A.whatyoupaidforB.howyoupaidforC.whyyoupaidfor,59,2020/5/29,Idontknowcomputergamessomuch.A.whydotheylikeB.whattheylikeC.howdotheylikeD.whytheylike,Asmiddleschoolstudents,weshouldstartthinkingaboutforourcountryinthefuture.A.whatwedidB.whatdidwedoC.whatwecandoD.whatcanwedo,60,2020/5/29,Imnotgoodatwritingletters.begoodat=dowellin擅长；在某方面做得好begoodfor对.有益begoodto对.好begoodwith与.相处得好,Importantpoints,lookthrough浏览Heislookingthroughthebooksinthelibrary.lookaround四处张望lookup向上看；查字典lookover检查，诊断lookafter照顾；照看,61,2020/5/29,Myparentsdontallowmeoutatnight.A.goB.togoC.hangD.hung,Parentsshouldallowtheirchildrenthethingstheylike.A.doingB.didC.doesD.todo,62,2020/5/29,Weareallowedtochooseourownclothes.我们被允许选择自己的衣服。Thechildrenarenotallowedtoplayonthislawn.孩子们不准在这块草地上玩耍。,63,2020/5/29,Wecantentertheroom.Icantfindmykey.Isitpossiblethatyouitathome?A.leftB.fixedC.managedD.designed,我们不能进入房间了,我找不到钥匙。有可能你把它落在家里吗?“把某物落在某处”用leave。,Dontcompareyourdaughterothergirls.Itsnotgoodforher.A.forB.withC.inD.to,64,2020/5/29,petekmpi:tv.竞争；对抗competewith.和.竞争competitionkmpitnn.竞赛，竞争2.opinionpnjn意见；想法；看法inonesopinion依看giveonesopinion提出某人的观点3.continuekntnju:持续；继续存在的continuetodosth=goontodocontinuedoingsth=goondoing继续做某事parekmpe(r)比较compare（）with（把）和比较；对比compare.to.把.比作.,65,2020/5/29,Ididntrealizehewasafamousscientistyoutoldme.A.untilB.becauseC.since,Thelittlegirldidntstopcryingshefoundhermother.A.afterB.untilC.becauseD.when,66,2020/5/29,ImreallytiredbecauseIstudieduntilmidnightlastnight.我真的很累,因为我昨天晚上一直学习到半夜。(1)because是连词,意为“因为”,引导原因状语从句。because和so不能同时使用。因为他需要钱,所以他将出售他的房子。Hewillsellhishousebecauseheneedsmoney.(2)until可以作介词,也可以作连词,意为“直到”。我想在这儿一直待到圣诞节。IdliketostayhereuntilChristmas.,67,2020/5/29,Almosteveryuniversitynowhasawebsitewhichallowsustotheinformationaboutit.A.lookatB.lookafterC.lookaroundD.lookthrough,Ifyouwanttoknowmoreaboutspace,pleasethebookABriefHistoryofTime.A.lookthroughB.lookaroundC.lookafterD.lookdownupon,68,2020/5/29,look的短语小结:,69,2020/5/29,Ifoundmyyoungersisterwithherfriendsinthegarden.A.playsB.playingC.playedD.toplay,findsb.doingsth.我发现我妹妹正和她的朋友在花园里玩。,70,2020/5/29,findsb.doingsth.“发现某人正在做某事”,see/watch/notice/hear/find/feelsb.dosth.看见/注意/听见/发现/感觉某人干某事强调动作已经完成,看到了全过程see/watch/notice/hear/find/feelsb.doingsth.看见/注意/听见/发现/感觉某人正在干某事强调动作正在进行,71,2020/5/29,Youhavetoleavenowyoucancatchtheearlybus.A.untilB.assoonasC.becauseD.sothat,until“直到”;assoonas“一就”;because“因为”;sothat“以便;为的是”,TheyspokequietlyIcouldhardlyhearthem.A.such;thatB.so;thatC.neither;norD.both;and,72,2020/5/29,IraisedmyvoicesothatIcouldmakemyselfheard.我提高了声音,以便大家都能听到我的话。IwassobusyatthattimethatIdidntsleepforthreedays.那时我很忙,以至于一连三天都没睡觉。Sheissuchagoodteacherthatwealllikeher.她是这么好的一位老师,我们都喜欢她。,73,2020/5/29,74,2020/5/29,Ifyougetonwellyourclassmates,youllenjoyyourschoollifemore.A.atB.withC.toD.for,75,2020/5/29,MyproblemisthatIcantgetonwithmyfamily.我的问题就是我不能和我的家人和睦相处。getonwith是固定短语,表示“和睦相处;关系良好”,与getalongwith为同义表达。geton/alongwellwithsb.意为“和某人相处得很好”。他们和同学们相处得很好。Theygotonwellwiththeirclassmates.,76,2020/5/29,IwantedtoseetheBeijingOpera,soLinglingofferedmetowatchanopera.A.tookB.takesC.totakeD.taking,offertodosth.意为“主动提出做某事”,Thisrestaurantpeopledeliciousfood.A.provides;forB.offers;toC.provides;withD.offers;for,“提供某物给某人”providesth.forsb.,providesb.withsth.offersth.tosb.,offersb.sth.,77,2020/5/29,offer提供给某人提供某物offersth.tosb.=offersb.sth.他们为我们提供了一些帐篷。Theyofferedussometents.=Theyofferedsometentstous.主动提出做某事offertodosth.他主动提出带我去博物馆。Heofferedtotakemetothemuseum.,provide提供,78,2020/5/29,Whydontyou.?句型Whydontyoudosth.?意为“你为什么不做某事呢?”,与Whynotdosth.?是同义表达。你为什么不留下来吃晚饭呢?Whydontyoustayforsupper?=Whynotstayforsupper?,79,2020/5/29,Thecathedralisbuildinginthecity.Andmybrotherlikesitverymuch.A.older;olderB.theeldest;olderC.theoldest;elderD.elder;elder,这座大教堂是城里最古老的建筑。我的哥哥非常喜欢它。,80,2020/5/29,Icameinsteadofmyelderbrother.,我没有钢笔,因此我使用铅笔。,Ididnthaveapen,soIusedapencilinstead.,我哥哥没来,我来了。,81,2020/5/29,Unit5,82,2020/5/29,Whatwasshedoingatsevenoclockyesterdaymorning?,She,Whatisshedoingnow?,She,isrunning.,wasrunning.,83,2020/5/29,CouldyoupleasetellmewhereyoufoundMissLijustnow?Ofcourse,intheheadmastersoffice.Theyhappilyatthattime.A.talkedB.weretalkingC.havetalkedD.talk,IwasstayingathomeandwatchingTVthetimeoftherainstorm.A.forB.byC.atD.in,Didyouhearsomeoneknockatthedoorjustnow?Sorry.Itomyfriendonthephone.A.wastalkingB.talkedC.amtalking,84,2020/5/29,过去进行时,含义：表示过去某个时刻正在进行的动作。结构：was/were+doing例句：IwashavinganEnglishclassatthistimeyesterday.,现在进行时,含义：表示现在正在进行的动作。结构：is/am/are+doing例句：IamhavinganEnglishclass.,85,2020/5/29,Hey,Kate.Icalledyouat6:30yesterdayevening,butyoudidntanswer.Ohsorry.Iatthattime.A.amdoingthedishesB.dothedishesC.wasdoingthedishes,Youwonthefirstprizeinthephysicscompetition.Imadeseveralterriblemistakes.A.Ithinkso.B.Areyoukidding?C.Youarewelcome.D.Itdoesntmatter.,86,2020/5/29,while引导的从句用过去进行,表示“在时候发生了某事”而主句动作为瞬间完成的动作,用一般过去时,从句谓语动作是延续性动词.e.g.Whileweweretalking,hecamein.用when替换：e.g.Whenhecameinweweretalking.当两个动作同时持续发生的时候,主句和while引导的从句都用过去进行时.e.g.IwaswatchingTVwhilemysisterwaslisteningtothemusic.,当我给他打电话的时候，他在睡觉。WhenIcalledhimup,hewassleeping.,when表示“当的时候”。从句中既可用延续性动词,又可用非延续性动词,这些动词既可以表示动作,又可表示状态。,87,2020/5/29,whilewhen,瞬间动词过去式,延续动词过去时,延续动词过去时,注：doing也属于延续性动词，否则怎么能一直在做呢？,注：那么当主从句都为doing的形式时，应该由谁引导呢？,88,ThestudentsweresinginghappilyIpassedtheschoolhall.A.whenB.unlessC.though,Lifeislikeamirror.yousmileatit,itwillsmileback.A.UnlessB.WhenC.UntilD.Though,CouldyoupleasetellmegettoXiaoganEastStation?YoucantaketheNo.2busoverthere.A.whenwecanB.howwecanC.whencanweD.howcanwe,89,2020/5/29,Whenyoumelastnight,Ithepiano.A.werecalling;wasplayingB.werecalling;playedC.called;playedD.called;wasplaying,WherewereBillandDavidwhentheteac