2025-2026年人教版高三英语第4课英语语法综合练习题

2025-2026年人教版高三英语第4课英语语法综合练习题一、单项选择题（总共10题，每题2分，共20分）1.AccordingtothegrammarrulesinUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,whichofthefollowingsentencescorrectlyusesthefutureperfectcontinuoustense?A.ShewillhavebeenstudyingEnglishforfiveyearsbythetimeshefinisheshighschool.B.TheywillstudyEnglishforfiveyearsbythetimetheyfinishhighschool.C.HewillhavestudiedEnglishforfiveyearsbythetimehefinisheshighschool.D.WewillbestudyingEnglishforfiveyearsbythetimewefinishhighschool.Answer:AExplanation:Thefutureperfectcontinuoustenseisusedtodescribeanactionthatwillcontinueuptoaspecificpointinthefuture.OptionAcorrectlyuses"willhavebeenstudying"toindicatetheongoingnatureoftheaction("studying")untilthefuturetime("bythetimeshefinisheshighschool").OptionsB,C,andDeitheruseincorrectverbforms(e.g.,"willstudy"issimplefuture,"willbestudying"isfuturecontinuous)ormisplacetheduration("forfiveyears")inthetensestructure.2.Inthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,Unit4emphasizestheuseofpassivevoiceinscientificwriting.Whichsentencecorrectlydemonstratesthepassivevoiceaccordingtotheunit'sgrammarrules?A.Theexperimentwascompletedbythestudentsyesterday.B.Thestudentscompletedtheexperimentyesterday.C.Theexperimentwillbecompletedbythestudentstomorrow.D.Theexperimentiscompletedbythestudentsnow.Answer:AExplanation:Thepassivevoiceisformedwith"be+pastparticiple"andfocusesonthereceiveroftheactionratherthantheperformer.OptionAcorrectlyuses"wascompleted"(pastpassive)with"bythestudents"toindicatewhoperformedtheaction.OptionBisactivevoice.OptionCusesfuturepassivebutincorrectlyplaces"bythestudents"attheend.OptionDusespresentpassivebutincorrectlyomits"is"before"completed."3.The2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,Unit4introducestheconceptofconditionalsentences.Whichofthefollowingsentencescorrectlyexpressesarealconditioninthepresent?A.IfIhadstudiedharder,Iwouldpasstheexam.B.IfIstudyharder,Iwillpasstheexam.C.IfIstudiedharder,Iwouldpasstheexam.D.IfIwillstudyharder,Iwouldpasstheexam.Answer:BExplanation:Arealconditioninthepresentisexpressedwiththefirstconditionalstructure:"if+presentsimple,will+baseverb."OptionBcorrectlyuses"ifIstudyharder"(presentsimple)and"Iwillpass"(futuresimple).OptionAandCusesecondconditional(hypotheticalpast/future).OptionDincorrectlymixesfuturetense("willstudy")withconditionalstructure.4.InUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,thegrammarfocusincludesreportedspeech.Whichsentencecorrectlytransformsthefollowingdirectspeechintoreportedspeech?Direct:Shesaid,"IamgoingtotraveltoJapannextmonth."A.ShesaidthatshewasgoingtotraveltoJapanthenextmonth.B.ShesaidthatshewilltraveltoJapannextmonth.C.ShesaidthatshehadtraveledtoJapannextmonth.D.ShesaidthatshewouldtraveltoJapannextmonth.Answer:AExplanation:Whentransformingdirectspeechtoreportedspeech,thereportingverbtensechanges(e.g.,"said"to"saidthat"),andthereportedclausetenseshifts(e.g.,presentsimple→pastsimple,futuresimple→would+baseverb).OptionAcorrectlychanges"amgoingto"to"wasgoingto"andmovestheadverb"nextmonth"beforetheverb.OptionBincorrectlykeepsthefuturetense.OptionCusespastperfect,whichisincorrectforafutureplan.OptionDuses"would,"buttheadverbplacementisincorrect.5.The2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,Unit4coverstheuseofgerundsandinfinitives.Whichsentencecorrectlyusesaninfinitiveasthesubject?A.TolearnEnglishisimportantforstudents.B.LearningEnglishisimportantforstudents.C.TolearnEnglishareimportantforstudents.D.LearningEnglishisimportanttostudents.Answer:AExplanation:Aninfinitive("to+verb")canfunctionasanounandserveasthesubjectofasentence.OptionAcorrectlyuses"TolearnEnglish"asthesubject("isimportant").OptionBusesagerund("Learning")asthesubject.OptionCincorrectlyadds"are"aftertheinfinitive.OptionDusesthepreposition"to"afterthegerund,whichisgrammaticallyincorrect.6.InUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,thegrammarfocusincludestheuseofrelativeclauses.Whichsentencecorrectlyusesarestrictiverelativeclause?A.ThebookthatIboughtyesterdayisveryinteresting.B.Thebook,whichIboughtyesterday,isveryinteresting.C.ThebookIboughtyesterdayisveryinteresting.D.ThebookwhichIboughtyesterdayisveryinteresting.Answer:AExplanation:Arestrictiverelativeclause(introducedby"that,""who,"or"which"withoutacomma)providesessentialinformationaboutthenoun.OptionAcorrectlyuses"that"toidentifythespecificbook.OptionBusesanon-restrictiveclause(commabefore"which").OptionComitstherelativepronoun,makingthesentencegrammaticallyincorrect.OptionDuses"which"incorrectlywithoutacomma.7.The2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,Unit4introducestheuseofmodalverbs.Whichsentencecorrectlyexpressesabilityusing"can"?A.Shecanplaythepianosinceshehasbeenpracticingforyears.B.Shecouldplaythepianosinceshehasbeenpracticingforyears.C.Shemayplaythepianosinceshehasbeenpracticingforyears.D.Shewillplaythepianosinceshehasbeenpracticingforyears.Answer:AExplanation:"Can"isusedtoexpresspresentability.OptionAcorrectlyuses"can"todescribeherskill.OptionBuses"could,"whichispastability.OptionCuses"may,"whichexpressespossibility,notability.OptionDuses"will,"whichexpressesfutureintention,notability.8.InUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,thegrammarfocusincludestheuseofphrasalverbs.Whichsentencecorrectlyusesthephrasalverb"lookforwardto"?A.Iamlookingforwardtotheholiday.B.Ilookforwardtotheholiday.C.Ilookforwarstotheholiday.D.Iamlookforwardtotheholiday.Answer:AExplanation:"Lookforwardto"isaphrasalverbthatrequirestheobjectform("to").OptionAcorrectlyuses"lookingforwardto"(gerundformafter"lookforwardto").OptionBomits"to."OptionCmisspellsthephrasalverb.OptionDincorrectlyusesthebaseform"lookforward."9.The2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,Unit4coverstheuseofreportedquestions.Whichsentencecorrectlytransformsthefollowingdirectquestionintoreportedquestion?Direct:Heasked,"Whattimeisthetrain?"A.Heaskedwhattimewasthetrain.B.Heaskedwhattimethetrainwas.C.Heaskedwhattimeisthetrain.D.Heaskedwhatthetrainwasatthetime.Answer:BExplanation:Whentransformingdirectquestionstoreportedquestions,theauxiliaryverb(e.g.,"is")comesbeforethesubject("thetrain").OptionBcorrectlychanges"Whattimeisthetrain?"to"whattimethetrainwas."OptionAplaces"was"afterthesubject,whichisincorrect.OptionCkeepsthedirectquestionform.OptionDaddsunnecessarywords.10.InUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,thegrammarfocusincludestheuseofarticles.Whichsentencecorrectlyusesarticles?A.Thebookonthetableismine.B.Abookonthetableismine.C.Anbookonthetableismine.D.Thebookinthetableismine.Answer:AExplanation:Articles("a,""an,""the")mustbeusedcorrectlybasedonthenoun'sdefiniteness.OptionAcorrectlyuses"the"foraspecificbook("thebookonthetable").OptionBuses"a"incorrectlyforaspecificbook.OptionCmisspells"an."OptionDuses"in"insteadof"on,"whichisgrammaticallyincorrect.二、填空题（总共10题，每题2分，共20分）1.AccordingtothegrammarrulesinUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,fillintheblanktocompletethesentenceusingthecorrectformofthepassivevoice:"Theexperiment______bythestudentsyesterday."Answer:wascompletedExplanation:Thepassivevoicerequires"be+pastparticiple.""Theexperiment"isthereceiveroftheaction,sothecorrectformis"wascompleted."2.InUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,transformthefollowingdirectspeechintoreportedspeech:"Shesaid,'Iwillvisitmygrandparentsnextweek.'"Fillintheblank:"Shesaidthatshe______hergrandparentsnextweek."Answer:wouldvisitExplanation:Whenchangingdirectspeechtoreportedspeech,thefuturesimple("will+baseverb")becomes"would+baseverb."3.AccordingtothegrammarrulesinUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,fillintheblanktocompletethesentenceusingthecorrectformofthefirstconditional:"IfI______harder,I______passtheexam."Answer:study;willExplanation:Thefirstconditionalstructureis"if+presentsimple,will+baseverb."4.InUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,fillintheblanktocompletethesentenceusingthecorrectformofthegerund:"______totheconcertwasagreatexperience."Answer:GoingExplanation:Agerund("going")canfunctionasthesubjectofasentence.5.AccordingtothegrammarrulesinUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,fillintheblanktocompletethesentenceusingthecorrectformoftherelativeclause:"Thebook______Iboughtyesterdayisveryinteresting."Answer:thatExplanation:Arestrictiverelativeclauserequires"that"(or"who"forpeople)withoutacomma.6.InUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,fillintheblanktocompletethesentenceusingthecorrectformofthemodalverb:"You______drivecarefullybecausetheroadisslippery."Answer:shouldExplanation:"Should"expressesadviceorobligation,whichfitsthecontext.7.AccordingtothegrammarrulesinUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,fillintheblanktocompletethesentenceusingthecorrectformofthephrasalverb:"I______tothepartynextSaturday."Answer:amlookingforwardtoExplanation:"Lookforwardto"requirestheobjectform("to").8.InUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,transformthefollowingdirectquestionintoreportedquestion:"Heasked,'Whereisthelibrary?'"Fillintheblank:"Heaskedwherethelibrary______."Answer:wasExplanation:Inreportedquestions,theauxiliaryverbcomesbeforethesubject.9.AccordingtothegrammarrulesinUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,fillintheblanktocompletethesentenceusingthecorrectformofthearticle:"______appleonthetableismine."Answer:TheExplanation:"The"isusedforaspecificapple(theoneonthetable).10.InUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,fillintheblanktocompletethesentenceusingthecorrectformofthefutureperfectcontinuoustense:"Bynextyear,she______Englishforsixyears."Answer:willhavebeenstudyingExplanation:Thefutureperfectcontinuoustenseisusedtodescribeanongoingactionuptoafuturepoint.三、判断题（总共10题，每题2分，共20分）1.AccordingtothegrammarrulesinUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,thesentence"Shewillhavebeenworkingheresince2020"correctlyusesthefutureperfectcontinuoustense.(True/False)Answer:TrueExplanation:Thefutureperfectcontinuoustenseisusedtodescribeanactionthatwillcontinueuptoafuturepoint("since2020").2.InUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,thesentence"ThebookthatIboughtisinteresting"containsarestrictiverelativeclause.(True/False)Answer:TrueExplanation:"That"introducesarestrictiveclause(nocomma)toidentifythebook.3.AccordingtothegrammarrulesinUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,thesentence"IfIhadstudied,Iwouldpass"correctlyexpressesarealconditioninthepresent.(True/False)Answer:FalseExplanation:Thisisasecondconditional(hypotheticalpast),notarealconditioninthepresent(firstconditional).4.InUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,thesentence"Hesaidthatshewasgoingtotheparty"correctlytransformsthefollowingdirectspeech:"Shesaid,'Iamgoingtotheparty.'"(True/False)Answer:TrueExplanation:Thepresentcontinuous("amgoing")becomespastcontinuous("wasgoing")inreportedspeech.5.AccordingtothegrammarrulesinUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,thesentence"Iamlookingfortheholiday"correctlyusesthephrasalverb"lookforwardto."(True/False)Answer:FalseExplanation:Thecorrectphrasalverbis"lookforwardto"(with"to").6.InUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,thesentence"Thebook,whichIboughtyesterday,isinteresting"containsanon-restrictiverelativeclause.(True/False)Answer:TrueExplanation:"Which"introducesanon-restrictiveclause(withacomma).7.AccordingtothegrammarrulesinUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,thesentence"Youcanplaythepiano"correctlyexpressesabilityusing"can."(True/False)Answer:TrueExplanation:"Can"isusedtoexpresspresentability.8.InUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,thesentence"Theappleonthetableismine"correctlyusesthearticle"the."(True/False)Answer:TrueExplanation:"The"isusedforaspecificapple(theoneonthetable).9.AccordingtothegrammarrulesinUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,thesentence"Heaskedwherethelibrarywas"correctlytransformsthefollowingdirectquestion:"Heasked,'Whereisthelibrary?'"(True/False)Answer:TrueExplanation:Thedirectquestionbecomesareportedquestionwiththeauxiliaryverbbeforethesubject.10.InUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,thesentence"Bynextyear,shewillhavestudiedEnglishforsixyears"correctlyusesthefutureperfecttense.(True/False)Answer:FalseExplanation:Thefutureperfectcontinuoustenseisrequiredtodescribeanongoingactionuptoafuturepoint("forsixyears").四、简答题（总共8题，每题2分，共16分）1.AccordingtothegrammarrulesinUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,explainthedifferencebetweenarestrictiveandanon-restrictiverelativeclause.Provideoneexampleofeach.Answer:-Arestrictiverelativeclauseprovidesessentialinformationaboutthenounanddoesnotrequireacomma(e.g.,"ThebookthatIboughtisinteresting").-Anon-restrictiverelativeclauseprovidesadditionalbutnon-essentialinformationandissetoffbyacomma(e.g.,"Thebook,whichIbought,isinteresting").2.InUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,describehowtotransformdirectspeechintoreportedspeech.Includetwoexamples.Answer:-Changethereportingverb(e.g.,"said"to"saidthat").-Changethetenseoftheverbinthereportedclause(e.g.,presentsimple→pastsimple,futuresimple→would+baseverb).-Example1:Direct:"Shesaid,'Iwillgototheparty.'"→Reported:"Shesaidthatshewouldgototheparty."-Example2:Direct:"Heasked,'Whattimeisit?'"→Reported:"Heaskedwhattimeitwas."3.AccordingtothegrammarrulesinUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,explainwhentouse"can"and"could"inthecontextofability.Provideoneexampleforeach.Answer:-"Can"isusedforpresentability(e.g.,"Shecanswim").-"Could"isusedforpastabilityorpoliteness(e.g.,"Shecouldswimwhenshewasyoung").4.InUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,describehowtousethefirstconditionalstructure.Provideanexample.Answer:-Thefirstconditionalstructureis"if+presentsimple,will+baseverb."Itisusedtoexpressrealconditionsinthepresentorfuture.-Example:"Ifitrainstomorrow,wewillcancelthepicnic."5.AccordingtothegrammarrulesinUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,explainhowtousearticles("a,""an,""the").Provideoneexampleforeach.Answer:-"A"isusedbeforesingularcountablenouns(e.g.,"Abook").-"An"isusedbeforesingularcountablenounsstartingwithavowelsound(e.g.,"Anapple").-"The"isusedforspecificnouns(e.g.,"Thebookonthetable").6.InUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,describehowtousethefutureperfectcontinuoustense.Provideanexample.Answer:-Thefutureperfectcontinuoustenseis"willhavebeen+verb-ing"andisusedtodescribeanongoingactionuptoafuturepoint.-Example:"Bynextyear,shewillhavebeenstudyingEnglishforfiveyears."7.AccordingtothegrammarrulesinUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,explainhowtousephrasalverbs.Provideoneexample.Answer:-Phrasalverbsconsistofaverb+preposition/adverb(e.g.,"lookforwardto").Themeaningmaydifferfromtheliteralverb.-Example:"Iamlookingforwardtotheholiday."8.InUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,describehowtousegerundsandinfinitives.Provideoneexampleforeach.Answer:-Agerund("verb-ing")canfunctionasanoun(e.g.,"Readingisfun").-Aninfinitive("to+verb")canfunctionasanoun(e.g.,"Toreadisimportant").五、应用题（总共8题，每题4分，共24分）1.AccordingtothegrammarrulesinUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,transformthefollowingdirectspeechintoreportedspeech:"Hesaid,'Iwillfinishtheprojecttomorrow.'"Answer:Hesaidthathewouldfinishtheprojectthenextday.2.InUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,transformthefollowingdirectquestionintoreportedquestion:"Sheasked,'Whattimeisthetrain?'"Answer:Sheaskedwhattimethetrainwas.3.AccordingtothegrammarrulesinUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,fillintheblanktocompletethesentenceusingthecorrectformofthepassivevoice:"Thebook______bythestudentslastweek."Answer:waswritten4.InUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,fillintheblanktocompletethesentenceusingthecorrectformofthefirstconditional:"IfI______harder,I______passtheexam."Answer:study;will5.AccordingtothegrammarrulesinUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,fillintheblanktocompletethesentenceusingthecorrectformofthegerund:"______totheconcertwasagreatexperience."Answer:Going6.InUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,fillintheblanktocompletethesentenceusingthecorrectformofthemodalverb:"You______drivecarefullybecausetheroadisslippery."Answer:should7.AccordingtothegrammarrulesinUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,fillintheblanktocompletethesentenceusingthecorrectformofthephrasalverb:"I______tothepartynextSaturday."Answer:amlookingforwardto8.InUnit4ofthe2025-2026RenjiaobanSeniorHighSchoolEnglishcurriculum,fillintheblanktocompletethesentenceusingthecorrectformofthefutureperfectcontinuoustense:"Bynextyear,she______Englishforsixyears."Answer:willhavebeenstudying【标准答案及解析】一、单项选择题1.AExplanation:Thefutureperfectcontinuoustense("willhavebeenstudying")correctlydescribesanongoingactionuptoafuturepoint.2.AExplanation:Thepassivevoice("wascompleted")correctlyfocusesonthereceiveroftheaction("theexperiment").3.BExplanation:Thefirstconditional("if+presentsimple,will+baseverb")correctlyexpressesarealconditioninthepresent.4.AExplanation:Therestrictiverelativeclause("that")correctlyidentifiesthespecificbook.5.AExplanation:Theinfinitiveassubject("TolearnEnglish")correctlyfunctionsasthesubject.6.AExplanation:Therestrictiverelativeclause("that")correctlyidentifiesthespecificbook.7.AExplanation:"Can"correctlyexpressespresentability("Shecanplaythepiano").8.AExplanation:"Lookingforwardto"requirestheobjectform("to").9.BExplanation:Thereportedquestioncorrectlychanges"Whattimeisthetrain?"to"whattimethetrainwas."10.AExplanation:"The"correctlyreferstoaspecificbook("thebookonthetable").二、填空题1.wascompletedExplanation:Thepassivevoicerequires"be+pastparticiple."2.wouldvisitExplanation:Thefuturesimple("will+baseverb")becomes"would+baseverb"inreportedspeech.3.study;willExplanation:Thefirstconditionalstructureis"if+presentsimple,will+baseverb."4.GoingExplanation:Agerund("going")canfunctionasthesubject.5.thatExplanation:Arestrictiverelativeclauserequires"that."6.shouldExplanation:"Should"expressesadvice.7.amlookingforwardtoExplanation:"Lookforwardto"requirestheobjectform("to").8.wasExplanation:Thedirectquestionbecomesareportedquestionwiththeauxiliaryverbbeforethesubject.9.TheExplanation:"The"isusedforaspecificapple.10.willhavebeenstudyingExplanation:Thefutureperfectcontinuoustensedescribesanongoingactionuptoafuturepoint.三、判断题1.TrueExplanation:Thefutureperfectcontinuoustense("willhavebeenworking")correctlydescribesanongoingactionuptoafuturepoint.2.TrueExplanation:"That"introducesarestrictiveclause(nocomma).3.FalseExplanation:Thisisasecondconditional(hypotheticalpast),notarealconditioninthepresent.4.TrueExplanation:Thepresentcontinuous("amgoing")becomespastcontinuous("wasgoing")inreportedspeech.5.FalseExplanation:Thecorrectphrasalverbis"lookforwardto"(with"to").6.TrueExplanation:"Which"introducesanon-restrictiveclause(withacomma).7.TrueExplanation:"Can"isusedtoexpresspresentability.8.TrueExplanation:"The"isusedforaspecificapple.9.TrueExplanation:Thedirectquestionbecomesareportedquestionwiththeauxiliaryverbbeforethesubject.10.FalseExplanation:Thefutureperfectcontinuoustenseisrequired("willhavebeenstudying").四、简答题1.-Restrictiverelativeclause:Providesessentialinformation(e.g.,"ThebookthatIboughtisinteresting").-Non-restrictiverelativeclause:Providesadditionalinformation(e.g.,"Thebook,whichIbought,isinteresting").2.-Ch