2025年情态动词测试题及答案

2025年情态动词测试题及答案一、单项选择（共20小题，每小题2分，共40分）1.—Ican'tfindmymathtextbookanywhere.—You______itintheclassroomyesterdayafternoon.Isawyoureadingthere.A.mustleaveB.musthaveleftC.couldleaveD.mightleave2.—______Iborrowyournewdictionaryforafewminutes?—Ofcourse,butyou______returnitbeforeclassstarts.A.Might;canB.Could;mustC.May;needD.Should;oughtto3.Thesignsays"Noparking",sowe______parkhere.It______beatow-awayzone.A.mustn't;canB.needn't;mightC.shouldn't;mayD.can't;must4.—IsthatMr.Lioverthere?—It______behim.HewenttoShanghaionbusinessthismorning.A.can'tB.mustn'tC.needn'tD.shouldn't5.You______worryabouttheexam.You'vepreparedsowellthatyou______passeasily.A.needn't;shouldB.mustn't;canC.shouldn't;mightD.can't;may6.—Iforgottobringthereport.—You______itlastnight.Themanager______beangryifyoucan'thanditintoday.A.shouldprepare;mustB.oughttoprepare;mayC.shouldhaveprepared;mightD.needhaveprepared;could7.—______Ihelpyoucarrythoseboxes?Theylookheavy.—Thankyou,butI______manageitmyself.A.Will;canB.Shall;mayC.Should;mustD.Would;need8.Theoldman______walkwithoutacanenow,buthe______useonewhenitrains.A.can;hastoB.may;mustC.could;shouldD.might;need9.—______Itaketheumbrella?It'ssunnyoutside.—You______,buttheweatherforecastsaysitmightrainlater.A.Must;needn'tB.Should;can'tC.Oughtto;mustn'tD.May;shouldn't10.—I'msorryI'mlate.Thetrafficwasterrible.—You______leftearlier.Themeeting______havestartedfiveminutesago.A.couldhave;mustB.shouldhave;mightC.needhave;canD.wouldhave;may11.Children______playnearthestreet.It______bedangerous.A.mustn't;canB.needn't;mayC.shouldn't;mightD.can't;must12.—______Iuseyourcomputertoprintthedocument?—Yes,you______,butpleasedon'tinstallanysoftware.A.May;canB.Could;needC.Must;shouldD.Shall;might13.He______havefinishedtheprojectbynow.Hestartedworkingonitaweekago.A.mustB.canC.mayD.might14.—Idon'tknowtheanswertothisquestion.—You______asktheteacher.She______explainittoyou.A.should;willB.must;canC.need;mayD.might;could15.Thedoctorsaidthepatient______recoverfullyifhefollowsthetreatment,butthere______besomecomplications.A.must;can'tB.should;mightC.may;needn'tD.could;mustn't16.—______Iopenthewindow?It'sabitstuffyhere.—Sure,butyou______closeitifitgetstoocold.A.Shall;needB.May;shouldC.Could;mightD.Must;can17.—Imissedthebus.______Itakeataxi?—You______,butit'sexpensive.Maybeyou______waitforthenextonein10minutes.A.Should;needn't;canB.Must;may;shouldC.Oughtto;can't;mightD.Could;mustn't;need18.Theinstructionssaythatusers______readthemanualcarefullybeforeoperatingthemachine.A.mustB.canC.mayD.might19.—______hebeathomenow?—No,he______.Heusuallygoestothegymatthistime.A.Must;mustn'tB.Can;can'tC.May;needn'tD.Should;shouldn't20.—Imadeamistakeinthecalculation.—You______double-checkedit.Asmallerror______leadtobigproblems.A.couldhave;mustB.shouldhave;canC.needhave;mayD.wouldhave;might二、完形填空（共10小题，每小题2分，共20分）阅读下面短文，从每题所给的A、B、C、D四个选项中选出可以填入空白处的最佳选项。Asanewstudentintheschool,I(21)______feelnervousatfirst,buttheteachersandclassmates(22)______helpmeadaptquickly.Lastweek,wehadaschooltriptothesciencemuseum.Theguidesaidwe(23)______touchtheexhibits,butwe(24)______takephotoswithourphones.Iwasinterestedinarobotthat(25)______speakfivelanguages.MyfriendLiHua,who(26)______playthepianowell,evenaskedtheguideifwe(27)______requestademonstration.Theguidesmiledandsaid,"You(28)______,buttherobot(29)______bebusywithothertasks.Letmecheckfirst."Luckily,therobot(30)______performtheshow,andweallenjoyedit.21.A.mightB.mustC.couldD.need22.A.shouldB.wouldC.couldD.must23.A.mustn'tB.needn'tC.shouldn'tD.mightn't24.A.canB.mayC.couldD.might25.A.mightB.couldC.mustD.should26.A.canB.mayC.mustD.need27.A.mightB.couldC.mustD.should28.A.needB.mustC.mayD.should29.A.mightB.mustC.canD.should30.A.couldB.mustC.needD.might三、语法填空（共10小题，每小题2分，共20分）用括号内所给情态动词的适当形式填空，或根据语境填入合适的情态动词。31.—WhereisTom?—He______(must)gotothelibrary.Isawhimcarryingabookjustnow.32.You______(not,need)buysomuchfood.Weonlyhavethreepeoplefordinner.33.Theproblemisnotdifficult.You______(can)solveitbyyourselfifyoutry.34.—______(may)Iuseyourpen?—Sorry,I______(haveto)useitmyselfrightnow.35.She______(should)havecalledtosayshewaslate.Itmadeusworried.36.Theoldhouse______(might)beover100yearsold.There'sarecordfrom1920.37.—______(shall)wemeetatthegateat8a.m.?—Goodidea.We______(must)belate;themoviestartsat8:30.38.He______(can)havepassedtheexamifhehadstudiedharder,butheplayedgamesallthetime.39.—______(could)youpleaseturndownthemusic?—Sure,I______(will).It'stooloud.40.Thesignsays"KeepQuiet",sowe______(must)makenoisehere.四、翻译（共5小题，每小题4分，共20分）将下列句子翻译成英文，注意情态动词的正确使用。41.你现在可以走了，但明天早上必须按时到。42.他不可能完成了作业，因为他整个下午都在打篮球。43.我们应该多植树，这样才能改善环境。44.你本不必现在回复邮件，我可以等明天。45.孩子们在游泳池边必须有成人陪同，否则可能发生危险。答案及解析一、单项选择1.B解析：对过去发生事情的肯定推测用“musthavedone”，表示“一定做过某事”。2.B解析：请求对方许可时，“Could”比“May”更委婉；“must”表示必须履行的义务。3.D解析：“can't”表示禁止（根据标识）；“must”表示肯定推测（“一定是拖车区”）。4.A解析：对现在情况的否定推测用“can't”，表示“不可能”。5.A解析：“needn't”表示“不必担心”；“should”表示按常理推测“应该能通过”。6.C解析：“shouldhaveprepared”表示“本应该做但未做”；“might”表示可能性较低的推测（经理“可能”生气）。7.B解析：“ShallI...”用于主动提出帮助；“may”表示“可以（尝试自己做）”。8.A解析：“can”表示现在具备的能力；“hasto”表示客观需要（下雨时“不得不”用拐杖）。9.A解析：“MustI...”表示“必须做吗？”；“needn't”表示“不必”（现在天气好）。10.B解析：“shouldhaveleft”表示“本应该早点出发”；“mighthavestarted”表示“可能已经开始”（对过去动作的推测）。11.C解析：“shouldn't”表示“不应该”（从安全角度建议）；“might”表示可能性（“可能”危险）。12.A解析：“MayI...”请求许可；“can”表示允许（“可以使用”）。13.A解析：“musthavefinished”表示对现在完成动作的肯定推测（“一定已经完成”）。14.A解析：“should”表示建议（“应该问老师”）；“will”表示意愿（老师“会”解释）。15.B解析：“should”表示按预期（“应该”康复）；“might”表示可能性（“可能”有并发症）。16.B解析：“MayI...”请求许可；“should”表示建议（“应该关上”以防变冷）。17.A解析：“ShouldI...”表示“应该做吗？”；“needn't”表示“不必”（坐出租车）；“can”表示能力（“可以”等下一班）。18.A解析：“must”表示强制要求（“必须”阅读手册）。19.B解析：“Canhebe...”用于疑问句表推测（“可能在家吗？”）；“can't”表否定推测（“不可能”）。20.B解析：“shouldhavedouble-checked”表示“本应该核对”；“can”表示客观可能性（“可能”导致大问题）。二、完形填空21.A解析：“might”表示过去可能的状态（“起初可能感到紧张”）。22.C解析：“could”表示过去具备的能力（“能够帮助我适应”）。23.A解析：“mustn't”表示禁止（“不许触摸展品”）。24.C解析：“could”表示过去允许的行为（“可以用手机拍照”）。25.B解析：“could”表示过去具备的能力（“能说五种语言”）。26.A解析：“can”表示现在具备的能力（“能弹好钢琴”）。27.B解析：“could”表示委婉请求（“可以请求演示吗？”）。28.C解析：“may”表示允许（“可以（请求）”）。29.A解析：“might”表示可能性（“可能”忙于其他任务）。30.A解析：“could”表示过去能够完成的动作（“能够表演”）。三、语法填空31.musthave解析：对现在完成动作的肯定推测用“musthavedone”。32.needn'thave解析：“needn'thavedone”表示“