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1、Unit4ThenandnowALet’slearn当时和现在Thereisalibraryinmyschoolnow.Therearemanybooksinit.libraryThereisanartroominmyschoolnow.Therearemanypicturesinit.artroomThereisacomputerroominmyschoolnow.Therearemanycomputersinit.computerroomThereisamusicroominmyschoolnow.Thereisapianoinit.musicroomTherei
2、saplaygroundinmyschoolnow.Thereisacanteeninmyschoolnow.Canteen餐厅Whatcanyousee?building建筑物playground操场dininghall饭厅gym体育馆grass草地Isthereadinninghallinourschool?dinninghallNo,thereisn’t.Yes,thereis.readingroomIsthereareadingroominourschool?Yes,thereis.Wasthereatallbuildinglastyear?No,therew
3、asn’t.lastyear去年Yes,therewas.Wasthereapicturelastmonth?No,therewasn’t.lastmonth上一个月Wasthereachildren’scenterinourschool2yearsago?No,therewasn’t.children’scenter儿童活动中心...yearsago…年前Wasthereareadingroominourschool6monthsago?Yes,therewas.…月前...monthsagoTherewasonlyonebuildinginourschooltwe
4、ntyyearsago.Now,therearethreeinourschool....yearsago…年前Therewasnoplaygroundinourschool20yearsago.playgroundButnowthereisanewoneinourschool.Therewasnogyminourschooltwentyyearsago.20年前我们学校没有体育馆。gymButnowthereisanewoneinourschool.但是现在我们学校有一个新的。…yearsago…年前twentyyearsagotwoyearsagooneyearag
5、o=lastyear…monthsago…月前twentymonthsagotwomonthsagoonemonthago=lastmonth…daysago…天前twentydaysagotwodaysagoonedayago=yesterday=thedaybeforeyesterday你会说下面单词和短语的意思吗？dinninghallgymgrass……yearsago……monthsagolastyearlastmonthbuilding建筑物playground操场twentytwodininghall饭厅gym体育馆grass草地IntheTangdyn
6、asty在唐代…Atthattime,therewerenogyms.Peopledidn’tgobybus.Peoplecouldn’tusetheInternet.在那个时代，那里没有体育馆。人们出行没有乘公共汽车。人们没有使用互联网。Atthattime,therewerenodinninghalls.Atthattime,therewerenopostoffices.Atthattime,therewerenocinemas.Atthattime,therewerenomotels(汽车旅馆).Atthattime,therewerenocafés（咖啡馆）.
7、Atthattime,therewerenotelephones.Atthattime,therewerenotrafficlights.Atthattime,therewerenolights.Atthattime,peoplecouldn’tgobybikeandbytaxi.1、Atthattime,therewerenogyms.Peopledidn’tgobybus.Peoplecouldn’tusetheInternet.2、Atthattime,therewerenodinninghalls.3、Atthattime,therewere
