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1.John_____cometoseeustonight,butheisn’tverysureyet.A.mayB.canC.hastoD.must2.You_____gotoseeadoctoratoncebecauseyou’regotafever.A.canB.mustC.dareD.would3.You__________missthelastbus.A.hadn’tbetterB.didn’thavebetterC.hadbetternotD.nothadbetter4.–Mustwedoourhomeworkfirst?-No,you______.Youmayhavearestfirst.A.mustn’tB.needn’tC.maynotD.can’t5.Iwouldrather_____toschoolthan_____abustoschool.A.walk;takeB.towalk;takeC.towalk;totakeD.walk;totake6.Ishe_____abletopredictwhatwillhappeninthefuture?A.abletoB.beabletoC.beableforD.ablefor7.Thechildren______playfootballontheroad.A.can’tB.canC.mustn’tD.must8.-He______beintheclassroom,Ithink.-No,he______beintheclassroom,Isawhimgohomeaminuteago.A.can;maynotB.must;maynotC.may;can’tD.may;mustn’t9.Debbie__________swimacrosstheChannellastyear.A.canB.mayC.couldD.wasableto10.Hisarmisallright.He______goandseethedoctor.A.hasnottoB.doesn’thavetoC.haven’ttoD.don’thaveto11.-Doyouknowwhosedictionaryitis?-It______LiMei’s.Hernameisonit.A.canbeB.mustbeC.shouldbeD.needbe12.Helen_______goonthetripwithusbutsheisn'tquitesureyet.A.shallB.mustC.mayD.can答案一1-5.ABCBA;6-10.ACCDB;11-12.BC