【创新方案】高中英语Module5SectionⅣ语法讲座Grammar&Writing专题练习外研版必修4Ⅰ.用适当的情态动词填空1.Youshallhaveanewcomputerifyouworkhardenough.2.Howcanyoupossiblymissthenews?IthasbeenonTValldaylong.[3.Theboymay/mightknowthetruth,butIamnotquitesure.4.Youneedn't/don't_have_tofinishyourhomeworknow—thereisstilltwodaysleft.5.Itseemssounfairthatthisshouldhappentome.6.Hewouldcometohelpuswhenhewasfree.7.Ifyoumustgo,atleastwaituntilthestormisover.8.Nomatterwhenyoucome,Iwilltellyouafunnystory.Ⅱ.单项填空1—.Who________itbethatisknockingatthedoor?—It________befather,butI'mnotsure.A.can;mustB.can;mayC.must;canD.may;must解析:选B“”“”。句意:敲门的人可能是谁呢?可能是父亲,但我也不确定。第一空为肯定推测可排除C项;第二空根据说话者的不确定性可知不能用must,故排除A、D两项。2.Mymother________alwayswavegoodbyetomewhileIwasleavingforschool.A.shouldB.mustC.couldD.would解析:选D。句意:我上学时妈妈总是和我挥手告别。根据Iwasleavingforschool可知说的是过去的事。would“”表示过去常常,其他选项没有此用法。3.You________besittinginthiswaitingroom,sir.Yousee,itisforwomenandchildrenonly.A.oughtn'ttoB.darenotC.neednotD.willnot解析:选A。句意:先生,你不应该坐在这个等待室里,你看,这是为妇女和儿童的。oughtn'tto“”不应该;darenot“”不敢;neednot“”没有必要;willnot“将不会”。4.Thefirespreadthroughthehotelveryquickly,buteveryone________getout.A.hadtoB.wouldC.wasabletoD.could解析:选C。句意:火在旅馆蔓延得很快,但是每个人都能成功地出来。beableto“”用于一般过去时,往往表达成功地做成了某事。5.You________tothemeetingthisafternoonifyouhavesomethingimportanttodo.A.needn'ttocomeB.don'tneedcomeC.don'tneedcomingD.needn'tcome解析:选D。句意:如果你有什么重要的事情要做的话,今晚的会议你就不必来了。need“”既可以用作实义动词,又可以用作情态动词。表示没有必要做某事用don'tneedtodosth.或needn'tdosth.。6.There________beanydifficultyaboutpassingtheroadtestsinceyouhavepractisedalotinthedrivingschool.A.mustn'tB.shan'tC.shouldn'tD.needn't解析:选C。句意:既然你已经在驾校里做过很多练习了,通过路考应该不会有什么困难。此处should“”表示合乎情理的推测,意为照说应该。7—.IsPro.Smithgivingthespeechtoday?[—It________behim.Heisabroadrightnow.A.can'tB.needn'tC.won'tD.mustn't[解析:选A“”“。句意:史密斯教授今天做报告吗?不可能是他。他现在在国”外。can't“”不可能;needn't“”不必;won't“”将不会;mustn't“”禁止。8.Accordingtothemanagementrulesofourhotel,allthebills________bepaidincash.A.wouldB.mayC.shallD.could解析:选C。句意:根据我们宾馆的管理规定,所有的账单必须用现金来付。shall可“”以表示允诺;警告;命令等意义,其他选项无此用法。9.________youbesocarelesswithyourhomework?Yousee,therearedozensofspellingerrors.A.WillB.Would[C.MustD.Might解析:选C。句意:你非要做作业这么不认真吗?你看,有这么多的拼写错误。must“”在这里意为非要;偏要。10.Thekidiscrying,forhe________jumpovertheditchonhisown.A.daresnottoB.darenottoC.doesn'tdaretoD.daresnot解析:选C。句意:孩子正在哭,因为他不敢自己跳过这个沟。dare既可用作实义动词,又可用作情态动词。用作情态动词时,后跟动词原形,故可排除B项;用作实义动词时,否定句要借助于助动词,不能在其后直接加not。故C项为正确答案。