高中英语2.3《Unit2HealthyeatingGrammar&Writing》课时作业新人教版必修3

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《Unit2HealthyeatingGrammar&Writing》Ⅰ.用适当的情态动词完成下列句子1．Insomepartsoftheworld,you________boilthewaterbeforedrinkingit.2．Ididn'tseeherinthemeetingroomthismorning.She________havemissedthemeeting.3．You________keepafirstaidboxathomeforanyaccident.4．You_____

2、___run,forwehaveenoughtimetocatchthetrain.5．—You________havefinishedthearticle.ThedeadlineislastFriday.—Sorry.Ihavebeenbusythesedays.Couldyougiveme3moredays?6．—________________IwaterthetreesonTuesday?—No,youneedn't.7．HeissostrongthatI________________f

3、ightagainsthim.8．We________________(receive)theletteryesterday,butitdidn'tarrive.9．Whenwegottothecinema,thefilmhasn'tstartedyet,sowe________________(hurry)．10．WhenIgottothecinema,thefilmhadalreadystarted;I________________(get)thereearlier.答案：1.must/ha

4、veto　2.must　3.oughtto/should　4.needn't/don'thaveto　5.should　6.Must　7.darenot　8.oughttohavereceived　9.needn'thavehurried10．oughttohavegot/shouldhavegotⅡ.完成句子1．I________________(不得不参加)animportantmeetingthisafternoon.2．You________________(一定不能玩)withfire,

5、oryou'llgetburnt.3．Somethingiswrongwithmybike.Somybike________________(需要修理)．4．You________________(不必归还)thebooknow.Youcankeepituntilnextweekifyoulike.5．You________________(本不必告诉)himthenews;Ihadtoldhim.6．Mary________________(本不该说)thewords,butshewantedt

6、owarnyouagainstthatman.7．Thelightisoninhisoffice.He________________(一定在工作)therenow.答案：1.havetoattend　2.mustn'tplay　3.needsrepairing/toberepaired　4.needn't/don'thavetoreturn　5．needn'thavetold　6.shouldn't/oughtnottohavesaid7．mustbeworkingⅢ.单句改错1．Tomough

7、tnottotellmeyoursecret,buthemeantnoharm.________________________________________________________________________2．Youmustn'tcomeifyoudon'thaveto.________________________________________________________________________3．Youhavenottoworksohardifyoujustw

8、anttopasstheexam.________________________________________________________________________4．Becauseoftheheavyrain，thechildrenoughtgetupearlierthanusual.________________________________________________________________________5．Theyoughtn'ttogofi