when和while区别练习.doc

when和while区别练习when和while区别练习when和while区别练习when、while引导时间状语从句时的区别练习题用when或者while填空1.______Margowastalkingonthephone,hersisterwalkedin。2。______wevisitedtheschool,thechildrenwereplayinggames。3。______Sarahwasatthebarber's，Iwasgoingtoclass.4.______IsawCarlos,hewaswearingagreenshirt.5。______Allenwascleaninghisroom，thephonerang.6。_____Jakewaswaitingatthedoor,anoldwomancalledtohim。7.______itbegantorain，theywereplayingchess。8.Shesawataxicoming______thewomanwaswaitingunderthestreetlight。9。TheboywaswalkingdownthestreetaUFOlanded.10._______thealienwasvisitingthemuseum，theboycalledtheTVstation。用所给动词适当形式填空1。WhileJake___________________(look）forcustomers,he____________（see）awoman。2。They__________________（play）footballontheplaygroundwhenit________(begin)torain。3.Astrangebox_______________(arrive）whilewe_________________________(talk).4。John_____________________________（sleep)whensomeone____________（steal)hiscar.5.Father__________still_____________(sleep)whenI_________（get)upyesterdaymorning。6。Grandma______________(cook）breakfastwhileI_____________（wash)myfacethismorning.7.Mother______________________（sweep)thefloorwhenI_____________（leave)home.8.I_________________(read）ahistorybookwhensomeone_____________(knock）atthedoor。9。MaryandAlicearebusy_____________(do)theirhomework.10。Thestudents____________(play）basketballontheplaygroundfrom3to4yesterdayafernoon.完成下面句子,一空一词1.飞机在伦敦起飞时正在下雨.It_____________________whentheplane___________________inLondon.2.你记得汶川大地震时你在做什么吗？Doyou______________whatyou_____________whenWenchuanEarthquake_____________。3。当铃声想起的时候，我们正在操场上玩得很开心。We_____________________________ontheplaygroundwhenthebell____________。4.当妈妈下班回家时，你在做什么？______________________________________Mum_____________________fromwork?5.当我在做作业时，有人敲门。________________________________________，someone________________thedoor。