GrammarModalverbs情態(tài)動詞U6electricityeverywhereWhat'smodalverbsonemustmustn'tTWO222cancan'tThree3333cancanCancan't/cannotcanmaymaynotFour44表猜測義Five5PracticeSixcan'tmustMay/Canmustmustn't/can'tcan'tmayMorepracticeSevenI.按要求完成下列句子，每空一詞?？s寫算一詞。1.Mysistercanswim.(改為否定句）Mysister_____________swim.2.—MayIcomealittlelate,MrsWang?(作肯定回答）—_____________，__________________________.3.Shemustfinishherhomeworkontime.(改為一般疑問句）_____________she_____________herhomeworkontime?can’tYesyoumayMustfinish4.—MustIcleanourclassroom?(作否定回答）—No,you_____________.5.—CanLisasing?(作肯定回答）—_____________，__________________________.needn’tYesshecanII.根據(jù)句意，從can,can’t,may，maynot，must和mustn’t中選擇最恰當?shù)膯卧~或詞組填空。6._____________youpleaseopenthewindow?7.—_____________Igototheairportnow?—No,youneedn’t.Youcangothereonehourlater.8.—You_____________swiminthisriver.It’sdangerous.—Sorry,Iwon’tdothatagain.CanMustmustn’t9.They_____________havecalledwhileyouwereout.10.Nobody_____________livewithoutair.11.Ablind(失明的）man_____________seeanything.12.—MayIusemyfather’scomputer,Mom?—No,you_____________.Maybehedoesn’tagree.maycancan’tmaynotIII.根據(jù)句意，用情態(tài)動詞的正確形式填空。13. —What_____________Idoforyou?—Iwanttobuysomeapples.14. He_____________comehereontime.Thereareonlyfiveminutesleft.15. —MayIuseyourbike?—No,you_____________.Itdoesn’twork.16.I_____________.carrythebag.Itistooheavy.17. Whenyouareinthelibrary,you_________keepquiet.canmaynotmaynotcan’tmust18. You_____________playinthestreet.Itisverydangerous.19. —CanIplayfootballwithmyfriendsafterschool,Mom?—Sorry,you_____________.Wehavetocleanthehousethisafternoon.20. —_____________Icomein?—Yes,please.21. TheworkisdifficultbutIthinkI_________doitverywell.22. Peter_____________belateforschoolagain.Itisalready8:00o’clock.mustn’tcan’tMaycanmayIV.根據(jù)短文內(nèi)容，從方框中選擇合適的情態(tài)動詞填空。Maryplannedtostudyabroad(到國外)afterfinishinguniversity.Shehadalotofworries,soshewenttoherteacherforadvice.HerteacherJillwasveryhappytohearthat.Shesaid,“YoushouldpractiseyourEnglishmoreoften.I(23)_____________writearecommend(推薦）letterforyou.Atlast,whenyougototheairport,you(24)_____________takeyourpassport.”canmay，maynot，can，can’t，must,mustn’tmustWhenMarywenttotheUSA,mostofherclassmates(25)_____________speakChinese.Also,there’remanyrulesinthenewschool.Forexample,everyone(26)_____________talkloudlyinthelibrary.Shedoesn’tliketherules.Marymissedherfamilyverymuch.Sheaskedherheadteacher,“(27)_____________Igohomenow?”Theteachersaid，“No,you(28)_________.Youcanwaitfortheholiday.”can’tmustn’tMaymaynotV.根據(jù)文段內(nèi)容，選用can,may或must填空，完成短文。Rightnow,thereisanepidemic(流行病).Alotofpeoplearegettingsick.People(29)_____________coughverybadly.Theycoulddieiftheydon’tgotothehospital.Scientistsfindanewvirus(病毒).Thevirus(30)_____________travelintheairtoo.maycanTheyaresotinythatwe(31)_____________notseethem.Manybravedoctorsandnursesarehelpingsickpeople.Scientistsareworkingonnewmedicines.Asastudent,what(32)_____________wedo?First,atthisspecialtime,weshouldgooutaslittleaspossible.Beforewegoout,we(33)_____________wearmasks(口罩).Second,we(34)_____________notgotocrowdedplaces.Cas