when和while区别及专项练习含答案.pdf

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whenwhile用法区别专项练习yesterdayafternoon.

讲解三例句：

1.Thegirlsaredancingwhiletheboysaresinging.三、完成下面句子，词数不限

2.Kangkang’smotheriscookingwhenhegetshome.1.飞机在伦敦起飞时正在下雨。

3.When/WhileKangkang’smotheriscooking,hegetshome.ItwhentheplaneinLondon.

一、用when或者while填空2.你记得汶川大地震时你在做什么吗？

1.______Margowastalkingonthephone,hersisterwalkedin.DoyourememberwhatyouwhenWenchuanEarthquake.

2.______wevisitedtheschool,thechildrenwereplayinggames.

3.______Sarahwasatthebarber’s,Iwasgoingtoclass.3.当铃声想起的时候，我们正在操场上玩得很开心。

4.______IsawCarlos,hewaswearingagreenshirt.

5.______Allenwascleaninghisroom,thephonerang.Weontheplaygroundwhenthebell.

6.______Ritaboughthernewdog;itwaswearingalittlecoat.4.当妈妈下班回家时，你在做什么？

7.Hewasdrivingalong________suddenlyawomanappeared.whenMumfromwork?

8._____Jakewaswaitingatthedoor,anoldwomancalledtohim.

9.Hewasreadingabook______suddenlythetelephonerang.5.当我在做作业时，有人敲门。

10.______itbegantorain,theywereplayingchess.Iwasdoingmyhomework,someonethedoor.

二、用所给动词适当形式填空6.当外星人正在买纪念品的时候，那个女孩报了警。

11.WhileJake__________(look)forcustomers,he_______(see)awoman.