（)11.A:Howdidtheaccidenthappen?B:Youknow,it______difficulttoseetheroadclearlybecauseit_____.A.was….wasrainingB.is…israiningc.willbe…willrain()12.She_________applesinhergardenwhenI_________toseeheryesterday.A.picked，wentB.waspicking，wentC.picked，wasgoing()13.She_____theroomwhenIwenttoseeher.A.doesn’tcleanB.isn’tcleaningC.wasn’tcleaning()14.TheReads_______lunchwhenIgottotheirhouse.A.werehavingB.washavingC.arehaving()15.Thestudent______tomovethebagofrice______heheardthesoundofamotorbike.A.wasrunning...whenB.wasrunning...whileC.ran...while()16.Mark________whilehe________upanddown.A.fell...wasjumpingB.wasfalling...wasjumpingC.felt...wasjumping()17.Whileshe______TVinthesittingroom,thebell______.A.iswatching…rangB.waswatching…rangC.watched…wasringing()18.Thelittlegirlwas______hercatwhilehermotherwas_____thepiano.A.playing…playingB.playing…playingwithC.playingwith…playing()19.I______cookedamealwhenyou_____me.A.cooked,werecallingB.wascooking,calledC.wascooking,werecalling()20.Whileshe______TV,she______asoundoutsidetheroom.A.waswatching,washearingB.watched,washearingC.waswatching,heard
