doyourememberwhatyouweredoing中的复合句有哪些?DoyourememberwhatyouweredoingPeopleoftenrememberwhattheyweredoingwhentheyheardthenewsofimportanteventsinhistory.IntheUnitedStates,forexample,manypeoplerememberw

　　doyourememberwhatyouweredoing中的复合句有哪些?

　　Doyourememberwhatyouweredoing

　　Peopleoftenrememberwhattheyweredoingwhentheyheardthenewsofimportanteventsinhistory.IntheUnitedStates,forexample,manypeoplerememberwhattheyweredoingonApril4,1968.ThiswasoneofthemostimportanteventsinmodernAmericanhistory.Onthisday,DrMartinLutherKingwaskilledinthecityofMemphisinAmerica.Althoughsomepeoplemaynotrememberwhomurderedhim,theyrememberwhattheyweredoingwhentheyheardabouttheevent.

　　Eventhemosteverydayactivitiescanseemimportant.RobertAllenisnowover40.Hewasjustastudentatthattime,butherememberswhathewasdoingwhenheheardthenews.“Itwasabright,sunnyday.”Robertremembers.“Wewerehavingfunintheplaygroundwhenthebellrang.Ourteacheraskedustostopwhatweweredoingandlisten.Hetoldusthenews:‘DrMartinLutherKingdiedjust10minutesago!’Wecouldn’tbelieveit!”Schoolclosedfortheday,andRobertandhisfriendswalkedhometogetherinsilence.

　　DrMartinLutherKing’smurdertookplaceaboutthirtyyearsago,beforemanyAmericanswereborn.However,inmorerecenttimes,mostAmericansrememberwhattheyweredoingwhentheWorldTradeCenterinNewYorkwasdestroyedbyterrorists.Eventhedate----September11,2001----hasmeaningtomostAmericans.

　　Notalleventsinhistoryareasterribleasthis,ofcourse.ManyAmericanaalsosaytheyrememberwhattheyweredoingwhenmanfirstwalkedonthemoononJuly20,1969.Inmorerecenthistory,mostChineserememberwhattheyweredoingwhenYangLiweibecamethefirstChineseastronautinspace.YangwentintospaceonOctober15,2003.HisflightaroundtheEarthlastedabout22hours.Whenhereturned,hebecameanationalheroinChina,andbecamefamousallovertheworld.

　　帮忙找出复合句并写出他们的成分（比如宾语从句,状语从句等）感激不尽