情态动词1.--?Isn’tthatAnn’shusbandoverthere?---No,it_______behim.I’msurehedoesn’twearglasses.(全国I2004)A.can’tB.mustnotC.won’tD.maynot[解析]答案是A。can’t表示否定的推测、判断,意为“不可能”。2.You______betired---you’veonlybeenworkingforanhour.(全国II2004)A.mustnotB.won’tC.can’tD.maynot[解析]答案是C。同第1题。3.---Tomgraduatedfromcollegeataveryyoungage.---Oh,he____havebeenaverysmartboythen.(全国III2004)A.couldB.shouldC.mightD.must[解析]答案是D。musthavedone表示对过去发生的动作的肯定判断,意为“肯定已经”。4.Ioftenseelightsinthatemptyhouse.DoyouthinkI_____reportittothepolice?(全国IV2004)A.shouldB.mayC.willD.can[解析]答案是A。should表示责任或义务。5.Mr.White_____at8:30forthemeeting,buthedidn’t’showup.(全国IV2004)A.shouldhavearrivedB.shouldarriveC.shouldhavehadarrivedD.shouldbearriving[解析]答案是A。shouldhavedone表示责备,意为“过去本应该做”。6.Childrenunder12yearsofageinthatcountry______beunderadultsupervisionwhenisapubliclibrary.(上海2004)A.mustB.mayC.canD.need[解析]答案是A。must表示责任,含有强制性。7.---Whoisthegirlstandingoverthere?---Well,ifyouknow,hernameisMabel.(天津2004)A.mayB.canC.mustD.shall[解析]答案是C。must这里表示“偏偏;偏要”。8.“Theinterest______bedividedintofiveparts,accordingtotheagreementmadebybothsides,”declaredthejudge.(重庆2004)A.mayB.ShouldC.mustD.shall[解析]答案是D。shall用于陈述句二、三人称,表示说话人的决心、意志。9.---Excuseme.IsthistherightwaytotheSummerPalace?---Sorry,Iamnotsure.Butitbe.(湖北2004)A.mightB.willC.mustD.can[解析]答案是A。might表示可能性更小。10.----Excuseme,butIwanttouseyourcomputertotypeareport.----You______havemycomputerifyoudon'ttakecareofit.(湖南2004)A.shan'tB.mightnotC.needn'tD.shouldn't[解析]答案是A。shall用于二、三人称表示说话人的命令、承诺、恐吓等。这种用法常用于对晚辈或小孩。11.---Idon'tmindtellingyouwhatIknow.---You.I'mnotaskingyouforit.(江苏2004)A.mustn'tB.maynotC.can'tD.needn’t[解析]答案是D。根据语境,说话人认为这样“没有必要”。12.―Mum,I’vebeenstudyingEnglishsince8o’clock..IgooutandplaywithTomforawhile?―No,I’mafraidnot.Besides,it’srainingoutsidenow.(辽宁2004)A.Can’tB.Wouldn’tC.MaynotD.Won’t[解析]答案是A。can用于疑问句中表示请求。14.―I’lltellMaryabouthernewjobtomorrow.―You________herlastweek.(福建2004)A.oughttotellB.wouldhavetoldC.musttellD.shouldhavetold[解析]答案是D。shouldhavedone意为“过去本应该做”,含有责备的语气。15.I______payTracyavisit,butI’mnotsurewhetherIwillhavetimethisSunday.(浙江2004)A.shouldB.mightC.wouldD.could[解析]答案是A。should表示“应该”。