2026年安徽省苏教版初中英语九年级下册语法填空专项练习

2026年安徽省苏教版初中英语九年级下册语法填空专项练习1.Mr.Smithisinterestedincollectingstamps,______hespendsmostofhisfreetime.A.becauseB.soC.butD.although【解析】本题考查连词辨析。句意为“史密斯先生对收集邮票很感兴趣，______他大部分空闲时间都花在这上面。”空格前后为转折关系，故选C。A表示原因，B表示结果，D表示让步，均不符合语境。2.Theteacheraskedthestudentstofinishtheexperiment______theycouldgettherightresult.A.untilB.beforeC.afterD.when【解析】本题考查介词短语辨析。句意为“老师让学生完成实验，______他们能得出正确结果。”实验应在得出结果之前完成，故选B。A表示“直到”，C表示“之后”，D表示“当”，均不符合逻辑。3.______shewastired,shecontinuedtoworkonherproject.A.AlthoughB.BecauseC.SoD.If【解析】本题考查连词辨析。句意为“______她很累，她仍然继续做她的项目。”空格前后为让步关系，故选A。B表示原因，C表示结果，D表示条件，均不符合语境。4.Theboy______livesnextdoorisagoodfriendofmine.A.whoB.whomC.thatD.which【解析】本题考查定语从句。句意为“住在隔壁的那个男孩是我的好朋友。”先行词指人，且在从句中作主语，故选A。B作宾语，C可指人或物，D指物，均不符合语法。5.Itisimportantforustokeepapositiveattitude______wefacedifficulties.A.whenB.beforeC.afterD.if【解析】本题考查介词短语辨析。句意为“当我们面对困难时，保持积极的态度很重要。”空格表示时间状语，故选A。B表示“之前”，C表示“之后”，D表示“如果”，均不符合语境。6.Thebook______Iborrowedfromthelibraryisveryinteresting.A.whichB.thatC.whoD.whom【解析】本题考查定语从句。句意为“我从图书馆借来的那本书很有趣。”先行词指物，且在从句中作主语，故选A。B也可指物，但C、D指人，不符合语法。7.______youstudyhard,thebetteryourgradeswillbe.A.ThemoreB.MoreC.MuchD.Most【解析】本题考查形容词比较级。句意为“你学习越努力，成绩就越好。”固定句型为“the+比较级，the+比较级”，故选A。8.Thestudentsweresurprised______theteachertoldthemthenews.A.whenB.thatC.whatD.which【解析】本题考查宾语从句。句意为“当老师告诉他们消息时，学生们很惊讶。”空格引导宾语从句，且在从句中作时间状语，故选A。B、C、D均不能引导时间状语从句。9.Thegirl______issittingonthebenchismysister.A.whichB.thatC.whoD.whom【解析】本题考查定语从句。句意为“坐在长椅上的那个女孩是我的妹妹。”先行词指人，且在从句中作主语，故选C。B也可指人，但D作宾语，不符合语法。10.Thecompanydecidedtoexpanditsbusiness______themarketdemandwashigh.A.becauseB.soC.whenD.although【解析】本题考查连词辨析。句意为“当市场需求很高时，公司决定扩大业务。”空格前后为时间关系，故选C。A表示原因，B表示结果，D表示让步，均不符合语境。1.Theteacheraskedme______Ihadfinishedmyhomework.【答案】if【解析】句意为“老师问我是否完成了作业。”空格引导宾语从句，且在从句中作谓语，故用if或whether。2.______sheisyoung,shehasalotofexperienceinthisfield.【答案】Although【解析】句意为“尽管她很年轻，但在这一领域她有很多经验。”空格前后为让步关系，故用Although。3.Thestudentsarebusy______theyhavetofinishtheprojectbytomorrow.【答案】because【解析】句意为“学生们很忙，因为他们必须在明天前完成项目。”空格前后为因果关系，故用because。4.Theman______Ispoketolastnightisafamouswriter.【答案】who/that【解析】句意为“我昨晚与之交谈的那个人是一位著名作家。”先行词指人，且在从句中作主语，故用who或that。5.Itisimportant______weshouldprotecttheenvironment.【答案】that【解析】句意为“保护环境很重要，______我们应该这样做。”空格引导主语从句，且在从句中作主语，故用that。6.Thebook______Iamreadingisveryinteresting.【答案】which/that【解析】句意为“我正在读的书很有趣。”先行词指物，且在从句中作主语，故用which或that。7.Thegirl______issittingonthebenchismysister.【答案】who/that【解析】句意为“坐在长椅上的那个女孩是我的妹妹。”先行词指人，且在从句中作主语，故用who或that。8.Thecompanydecidedtoexpanditsbusiness______themarketdemandwashigh.【答案】when【解析】句意为“当市场需求很高时，公司决定扩大业务。”空格前后为时间关系，故用when。9.Theteacheraskedme______Ihadfinishedmyhomework.【答案】if/whether【解析】句意为“老师问我是否完成了作业。”空格引导宾语从句，且在从句中作谓语，故用if或whether。10.Theboy______livesnextdoorisagoodfriendofmine.【答案】who/that【解析】句意为“住在隔壁的那个男孩是我的好朋友。”先行词指人，且在从句中作主语，故用who或that。1.Thebook______Iborrowedfromthelibraryisveryinteresting.（√）【解析】句意为“我从图书馆借来的那本书很有趣。”先行词指物，且在从句中作主语，故用which或that，正确。2.Thegirl______issittingonthebenchismysister.（√）【解析】句意为“坐在长椅上的那个女孩是我的妹妹。”先行词指人，且在从句中作主语，故用who或that，正确。3.Thecompanydecidedtoexpanditsbusiness______themarketdemandwashigh.（√）【解析】句意为“当市场需求很高时，公司决定扩大业务。”空格前后为时间关系，故用when，正确。4.Theteacheraskedme______Ihadfinishedmyhomework.（√）【解析】句意为“老师问我是否完成了作业。”空格引导宾语从句，且在从句中作谓语，故用if或whether，正确。5.Theboy______livesnextdoorisagoodfriendofmine.（√）【解析】句意为“住在隔壁的那个男孩是我的好朋友。”先行词指人，且在从句中作主语，故用who或that，正确。6.Thebook______Iamreadingisveryinteresting.（√）【解析】句意为“我正在读的书很有趣。”先行词指物，且在从句中作主语，故用which或that，正确。7.Theman______Ispoketolastnightisafamouswriter.（√）【解析】句意为“我昨晚与之交谈的那个人是一位著名作家。”先行词指人，且在从句中作主语，故用who或that，正确。8.Theteacheraskedme______Ihadfinishedmyhomework.（√）【解析】句意为“老师问我是否完成了作业。”空格引导宾语从句，且在从句中作谓语，故用if或whether，正确。9.Thecompanydecidedtoexpanditsbusiness______themarketdemandwashigh.（√）【解析】句意为“当市场需求很高时，公司决定扩大业务。”空格前后为时间关系，故用when，正确。10.Theboy______livesnextdoorisagoodfriendofmine.（√）【解析】句意为“住在隔壁的那个男孩是我的好朋友。”先行词指人，且在从句中作主语，故用who或that，正确。1.Explainthedifferencebetween"who"and"that"inrelativeclauses.【参考答案】"Who"isusedtorefertopeopleinrelativeclauses,while"that"canrefertobothpeopleandthings.Forexample:"Thegirlwhoissittingonthebenchismysister."(先行词指人，且在从句中作主语，用who)vs."ThebookthatIborrowedisinteresting."(先行词指物，用that).However,"that"canalsorefertopeoplewhenthesubjectisunknownorwhentherelativeclausecomesafterthenoun,e.g.,"ThepersonthatIspoketowasMr.Smith."2.Whatisthefunctionof"because"inasentence?【参考答案】"Because"isaconjunctionusedtointroduceaclauseofreason,indicatingthecauseorreasonforsomething.Forexample:"Thestudentsaretiredbecausetheystudiedlate."Here,"because"introducesthereasonwhythestudentsaretired.3.Howdoyouformasentencewith"the+comparativeadjective,the+comparativeadjective"?【参考答案】Thisstructureisusedtoshowadirectcorrelationbetweentwothings.Forexample:"Theharderyoustudy,thebetteryourgradeswillbe."Here,"theharder"(comparativeof"hard")correspondsto"thebetter"(comparativeof"good"),indicatingthatstudyingharderleadstobettergrades.4.Whatisthedifferencebetween"if"and"whether"?【参考答案】"If"isusedtointroduceconditionalclauses,while"whether"isusedtointroduceindirectquestionsoralternatives.Forexample:"TheteacheraskedmeifIhadfinishedmyhomework."(conditional)vs."Heisunsurewhethertogoorstay."(alternative).Bothcanbeusedin宾语从句,but"whether"ismoreflexibleinsuchcontexts.5.Explaintheuseof"when"inasentence.【参考答案】"When"isaconjunctionusedtointroduceaclauseoftime,indicatingwhensomethinghappens.Forexample:"Thecompanydecidedtoexpanditsbusinesswhenthemarketdemandwashigh."Here,"when"introducesthetimeatwhichthedecisionwasmade.6.Whatisarelativeclause?Giveanexample.【参考答案】Arelativeclauseisadependentclausethatmodifiesanounornounphrase,oftenintroducedbyrelativepronounslike"who,""that,""which,"or"whose."Forexample:"ThebookthatIborrowedisveryinteresting."Here,"thatIborrowed"isarelativeclausemodifying"thebook."7.Howdoyouuse"although"inasentence?【参考答案】"Although"isaconjunctionusedtointroduceaclauseofconcession,indicatingsomethingthatcontrastswiththemainclause.Forexample:"Althoughsheisyoung,shehasalotofexperience."Here,"although"introducesthecontrastbetweenheryouthandherexperience.8.Whatisthepurposeof"if"inasentence?【参考答案】"If"isusedtointroduceaconditionalclause,indicatingapossiblefutureeventorcondition.Forexample:"Youwillpasstheexamifyoustudyhard."Here,"if"introducestheconditionunderwhichtheexamwillbepassed.1.Completethefollowingsentence:"Theboy______livesnextdoorisagoodfriendofmine."【答案】who/that【解析】句意为“住在隔壁的那个男孩是我的好朋友。”先行词指人，且在从句中作主语，故用who或that。2.Completethefollowingsentence:"Thebook______Iamreadingisveryinteresting."【答案】which/that【解析】句意为“我正在读的书很有趣。”先行词指物，且在从句中作主语，故用which或that。3.Completethefollowingsentence:"Thegirl______issittingonthebenchismysister."【答案】who/that【解析】句意为“坐在长椅上的那个女孩是我的妹妹。”先行词指人，且在从句中作主语，故用who或that。4.Completethefollowingsentence:"Thecompanydecidedtoexpanditsbusiness______themarketdemandwashigh."【答案】when【解析】句意为“当市场需求很高时，公司决定扩大业务。”空格前后为时间关系，故用when。5.Completethefollowingsentence:"Theteacheraskedme______Ihadfinishedmyhomework."【答案】if/whether【解析】句意为“老师问我是否完成了作业。”空格引导宾语从句，且在从句中作谓语，故用if或whether。6.Completethefollowingsentence:"Theman______Ispoketolastnightisafamouswriter."【答案】who/that【解析】句意为“我昨晚与之交谈的那个人是一位著名作家。”先行词指人，且在从句中作主语，故用who或that。7.Completethefollowingsentence:"Thebook______Iborrowedfromthelibraryisveryinteresting."【答案】which/that【解析】句意为“我从图书馆借来的那本书很有趣。”先行词指物，且在从句中作主语，故用which或that。8.Completethefollowingsentence:"Itisimportant______weshouldprotecttheenvironment."【答案】that【解析】句意为“保护环境很重要，______我们应该这样做。”空格引导主语从句，且在从句中作主语，故用that。【标准答案及解析】一、单项选择题1.C2.B3.A4.A5.A6.A7.A8.A9.C10.C二、填空题1.if2.Although3.because4.who/that5.that6.which/that7.who/that8.when9.if/whether10.who/that三