ReviewofUnits1-21.theboyenjoyed______inBeijinglastyear.2.Hetaught_____Englishathomewhenhewasyoung.3.Theboxistooheavy.shecan'tcarryitby_____.4.Ioftenwashmyclothesby_____.5.Weboughtsomefruitfor______.6.Help________tosomechicken,boys.7.Lookatthatpoorlittlecat.yes,ithurt______whenitfelloffthebuilding.8.Becarefull!Don'tplaywithaknife.youmayhurt_____.himselfhimselfherselfmyselfourselvesyourselvesitselfyourselfA:Icoughlotandhaveafever.B:you______takesomepillsandyou_________stayinbed.A:sorry,MissWang!Ican'tfindmyworkbook.MustIhanditintoday?B:No,you_____.you_____bringitheretomorrow.A:CouldIborrowthisbook?B:ofcourseyou______.you______keepitfortwoweeks.A:Look!hisleghurts.What______wedo?B:Weshouldcall120andwe______movehisleg.shouldhadbetterneedn'tcancancanshouldshouldn'tPlayingsportsisagoodwaytohavefun.Kangkangoften_____totheschoolgymtodosports.LastSaturday,Kangkang______tothegymwithsomeofhisclassmates.They_____greatfunswimmingandplayingbastetball.ItisFridaytoday.Look!KangkangandMichael______tabletennieswhileLily___________toskate.Whatwilltheydotomorrow?They__________tothezoo.Theywillbeveryhappy!goeswenthadplayingislearningwillgoMariahasabackacheandshefeels_________,becausesheplayed_________foralongtimeyesterday.Janeadvisesherto_______________,ButMariathinksshejustneedsto____________.JanealsotellsMariathatsheshould______________herselfandshouldn'tplaytoolong.terribletenniesseeadoctorhavearesttakecareof1.howlongdidthefirstOlympicGameslast?2.HowmanycountriestookpartinthefirstmodernOlympicGames?3.WeretheOlympicGamesheldduringtheWWⅠandⅡ?4.Howmanyathletestookpartinthe2012LondonOlympics?5.WhenandwherewerethefirstWinterOlympicGamesheld?Olnyoneday.Thereare14countries.No,itweren't.Thereare10500athletes.ThefirstWinterOlympicGameswereheldinFrencein1924PleasewriteanE-mailtoyourparentsifyouareYuTing,tellthemhowisyourgrandma.DearDadandMom,Grandmawasill,she________dayandnight,sinceyouarenotathomeandshecouldn't________________of________,soI_____________twodays'_______to______________her,pleasedon'tworry.Wishyouallthebest!___________________________coughstakecareherselfaskforleavelookafterYourssincerelyYuTingLivingaHealthyLifeTomandJackareneighbors.TomoftenwatchTVverylatesohecannotgetupearlyinthemorning,whatismore,healwaysworkontheinternettoolong,hislivinghabitisnothealthy.However,Jackeatslotsoffruitanddrinkmilkeveryday,healsodomorningexercisetokeepenergy,andhelikesplayingfootballtostayhealthy.So,itisnecessaryforustokeephealthylivinghabitsandkeepourbodystrong!