2026 年初中英语《同位语从句》专题练习与解析 (100 题)

2026年初中英语《同位语从句》专题练习与解析(100题)（考试时间：90分钟满分：100分）班级：________姓名：________得分：________说明：本题共100道小题，分为五大题型，均围绕初中英语核心同位语从句考点（引导词辨析、先行词搭配、语序规则、时态呼应、语境运用）设计，完全贴合课程标准与教学实际，重点考查that、whether、who、what、when、where、why、how等引导词的用法，以及fact、news、idea、hope、doubt、question、suggestion等常用先行词的搭配规则。每道题均附详细解析，助力夯实知识点。答案请写在题后对应位置，写在原题上无效。第一部分单项选择（每题1分，共40分）从下列A、B、C、D四个选项中，选出最符合句意的一项，将答案填在题后横线上。1.Wewereexcitedatthenews________ourteamhadwonthechampionship.A.thatB.whatC.whetherD.when________2.Ihavenoidea________hewillarriveattheairport.A.thatB.whenC.whatD.where________Thefact________hedidn’tattendthemeetingsurprisedallofus.A.whichB.thatC.whyD.how________3.Sheputforwardthesuggestion________weshouldholdacharitysaletoraisemoney.A.thatB.whetherC.whatD.who________4.Mydoubt________hecanfinishtheworkontimestillexists.A.thatB.whetherC.whatD.why________5.Thenews________ourschoolwillbuildanewlabspreadquickly.A.thatB.whatC.whenD.where________6.Heaskedmethequestion________weshouldgotherebybusorbytrain.A.thatB.whetherC.whatD.how________7.Iholdthebelief________hardworkwillleadtosuccess.A.thatB.whatC.whetherD.why________8.Theidea________wecantravelaroundtheworldinaweekisimpossible.A.thatB.whatC.whetherD.when________9.Doyouhaveanyinformation________themeetingwillbeheldtomorrow?A.thatB.whenC.whereD.whether________10.Thefact________shehaspassedtheexammakesherparentsveryhappy.A.whichB.thatC.whatD.why________11.Ihavenodoubt________hewillkeephispromisetohelpus.A.thatB.whetherC.whatD.how________12.Thesuggestion________weshouldaskforhelpfromtheteacherwasacceptedbyall.A.thatB.whetherC.whatD.who________13.Hetoldmethenews________hisbrotherhadbeenadmittedtoakeyuniversity.A.thatB.whatC.whenD.where________14.Myquestion________wecangetenoughmaterialsfortheprojectremainsunanswered.A.thatB.whetherC.whatD.why________15.Thebelief________alllivingthingsshouldberespectedisdeeplyrootedinhermind.A.thatB.whatC.whetherD.how________16.Doyouknowthefact________theearthisround?A.thatB.whatC.whetherD.why________17.Ihavenoidea________heborrowedsomuchmoneyfromothers.A.thatB.whyC.whatD.where________18.Thesuggestion________weshouldpostponethemeetingwasputforwardbyourmonitor.A.thatB.whetherC.whatD.when________19.Thenews________aterriblestormiscominghaswarnedustotakeprecautions.A.thatB.whatC.whenD.where________20.Mydoubt________sheistellingthetruthmakesmeunwillingtotrusther.A.thatB.whetherC.whatD.why________21.Heholdstheidea________educationisthemostimportantthingforachild.A.thatB.whatC.whetherD.how________22.Doyouhaveanynews________ourfavoriteteacherwillcomebacktoschool?A.thatB.whetherC.whatD.when________Thefact________hewaslateforschoolagainmadehisteacherveryangry.A.thatB.whyC.whatD.how________23.Thesuggestion________weshouldorganizeaschooltripthisweekendispopularamongstudents.A.thatB.whetherC.whatD.where________24.Ihavenoidea________theywillmeetusatthestation.A.thatB.whenC.whatD.which________25.Thebelief________wecanovercomealldifficultiestogethergivesuscourage.A.thatB.whatC.whetherD.why________26.Thenews________ourteamhadlostthegamemadeusverydisappointed.A.thatB.whatC.whenD.where________27.Myquestion________weshouldchoosethisplanorthatonehasn’tbeensolved.A.thatB.whetherC.whatD.how________28.Doyouknowthefact________waterboilsat100degreesCelsius?A.thatB.whatC.whetherD.why________29.Ihavenoidea________hehasgonetoBeijingonbusiness.A.thatB.whetherC.whatD.where________30.Thesuggestion________weshouldimproveourstudyhabitswasgivenbyourheadteacher.A.thatB.whetherC.whatD.how________31.Thenews________anewlibrarywillbebuiltinourcommunityiswelcome.A.thatB.whatC.whenD.where________32.Mydoubt________hecanhandlethisdifficulttaskaloneremains.A.thatB.whetherC.whatD.why________33.Heholdstheview________readingisagoodwaytoenrichourknowledge.A.thatB.whatC.whetherD.how________34.Doyouhaveanyinformation________theexamwillbeheldnextmonth?A.thatB.whetherC.whatD.why________Thefact________sheisgoodatplayingthepianoisknowntoall.A.thatB.whatC.whetherD.how________35.Thesuggestion________weshouldinviteourparentstotheschoolpartyisgreat.A.thatB.whetherC.whatD.who________36.Ihavenoidea________hewillreturnthebooktothelibrary.A.thatB.whenC.whatD.where________37.Thebelief________honestyisthebestpolicyhasguidedhimallhislife.A.thatB.whatC.whetherD.why________38.Thenews________ourschoolwonthefirstprizeinthecompetitionspreadeverywhere.A.thatB.whatC.whenD.where________39.Myquestion________wecangethelpfromthegovernmenthasn’tbeenanswered.A.thatB.whetherC.whatD.how________40.Doyouknowthefact________thesunrisesintheeastandsetsinthewest?A.thatB.whatC.whetherD.why________第二部分用适当的引导词填空（每题1分，共20分）根据句意，用that、whether、who、what、when、where、why、how等适当的引导词填空，将答案填在题后横线上。41.Wewereshockedbythenews________abigfirebrokeoutintheshoppingmall.________42.Ihavenoidea________themeetingwillstart.________Thefact________hehasneverliedtousmakesustrusthim.________43.Sheputforwardthesuggestion________weshoulddonatebookstothechildreninpoorareas.________44.Mydoubt________hecanpassthedrivingteststillexists.________45.Thenews________ourteamwillplayinthefinalmatchexcitedallthefans.________46.Heaskedmethequestion________weshouldhelptheoldmancrosstheroad.________47.Iholdthebelief________practicemakesperfect.________48.Theidea________wecanfinishtheprojectaheadoftimeisencouraging.________49.Doyouhaveanyinformation________thetrainwillarriveontime?________50.Thefact________shemissedtheimportantmeetingmadeherbossveryangry.________51.Ihavenodoubt________hewillcometoourpartytomorrow.________52.Thesuggestion________weshouldsetupastudygroupwasacceptedbyeveryone.________53.Hetoldmethenews________hissisterhadwonthefirstprizeinthesingingcompetition.________54.Myquestion________wecangetenoughfundingfortheprojectremainsunsolved.________55.Thebelief________allpeopleareequalisdeeplyheldbyhim.________56.Doyouknowthefact________themoongoesaroundtheearth?________57.Ihavenoidea________herefusedsuchagoodoffer.________58.Thesuggestion________weshouldpostponetheexamtonextweekwasdiscussedheatedly.________59.Thenews________anewhospitalwillbebuiltnearourneighborhoodisgood.________60.Mydoubt________sheisqualifiedforthejobmakesmehesitatetohireher.________第三部分句型转换（每题1分，共20分）根据要求，将下列两个简单句合并为含同位语从句的复合句（注意引导词的选择、先行词的搭配和语序规则），将答案填在题后横线上。61.Ourteamhadwonthegame.Thenewsexcitedallofus.（合并为含同位语从句的复合句）________62.Hewillcometothepartytomorrow.Ihavenoideaaboutit.（合并为含同位语从句的复合句）________Shehaspassedthefinalexam.Thefactmakesherparentsveryhappy.（合并为含同位语从句的复合句）________63.Weshouldhelpthepoorchildren.Heputforwardthesuggestion.（合并为含同位语从句的复合句）________64.Hecanfinishtheworkontime.Ihavesomedoubtaboutit.（合并为含同位语从句的复合句）________65.Anewparkwillbebuiltinourcity.Thenewsspreadquickly.（合并为含同位语从句的复合句）________Weshouldgotherebybike.Heaskedmethequestion.（合并为含同位语从句的复合句）________66.Hardworkleadstosuccess.Iholdthebelief.（合并为含同位语从句的复合句）________67.Wecantravelaroundtheworldinamonth.Theideaisimpossible.（合并为含同位语从句的复合句）________ThemeetingwillbeheldonMonday.Doyouhaveanyinformationaboutit?（合并为含同位语从句的复合句）________68.Hewaslateforschoolagain.Thefactsurprisedhisteacher.（合并为含同位语从句的复合句）________69.Hewillkeephispromise.Ihavenodoubtaboutit.（合并为含同位语从句的复合句）________Weshouldorganizeaschooltrip.Thesuggestionwasputforwardbyourmonitor.（合并为含同位语从句的复合句）________Hisbrotherhadbeenadmittedtoakeyuniversity.Hetoldmethenews.（合并为含同位语从句的复合句）________70.Wecangetenoughmaterialsfortheproject.Myquestionisaboutit.（合并为含同位语从句的复合句）________71.Alllivingthingsshouldberespected.Sheholdsthebelief.（合并为含同位语从句的复合句）________Theearthisround.Doyouknowthefact?（合并为含同位语从句的复合句）________72.Heborrowedsomuchmoneyfromothers.Ihavenoideaaboutit.（合并为含同位语从句的复合句）________Weshouldpostponethemeeting.Thesuggestionwasdiscussedatthemeeting.（合并为含同位语从句的复合句）________Aterriblestormiscoming.Thenewswarnedustotakeprecautions.（合并为含同位语从句的复合句）________73.Sheistellingthetruth.Mydoubtisaboutit.（合并为含同位语从句的复合句）________74.Educationisthemostimportantthingforachild.Heholdstheidea.（合并为含同位语从句的复合句）________Ourfavoriteteacherwillcomebacktoschool.Doyouhaveanynewsaboutit?（合并为含同位语从句的复合句）________75.Weshouldorganizeaschooltripthisweekend.Thesuggestionispopularamongstudents.（合并为含同位语从句的复合句）________76.Theywillmeetusatthestation.Ihavenoideaaboutit.（合并为含同位语从句的复合句）________Wecanovercomealldifficultiestogether.Thebeliefgivesuscourage.（合并为含同位语从句的复合句）________77.Ourteamhadlostthegame.Thenewsmadeusverydisappointed.（合并为含同位语从句的复合句）________78.Weshouldchoosethisplanorthatone.Myquestionisaboutit.（合并为含同位语从句的复合句）________Waterboilsat100degreesCelsius.Doyouknowthefact?（合并为含同位语从句的复合句）________79.HehasgonetoBeijingonbusiness.Ihavenoideaaboutit.（合并为含同位语从句的复合句）________80.Weshouldimproveourstudyhabits.Thesuggestionwasgivenbyourheadteacher.（合并为含同位语从句的复合句）________第四部分改正句中的同位语从句错误（每题1分，共10分）下列每个句子中均有一处同位语从句错误（引导词误用、先行词搭配错误、语序错误或时态错误），请找出并改正，将改正后的句子填在题后横线上。81.Wewerehappyatthenewswhichourteacherwouldcomebacktoschool.________82.Ihavenoideathathewillcometothemeetingornot.________Thefactwhyhewasabsentfromschoolisthathewasill.________83.Sheputforwardthesuggestionwhetherweshouldgoforapicnicthisweekend.________84.Mydoubtthatshecanfinishtheworkontimestillexists.________85.Thenewswhatourschoolwonthecompetitionspreadquickly.________86.Heaskedmethequestionthatweshouldhelptheoldmanornot.________87.Iholdthebeliefwhatpracticemakesperfect.________Theideawhywecanfinishtheprojectinthreedaysisunrealistic.________88.Doyouhaveanyinformationifthetrainwillbedelayed?________第五部分根据语境补全含同位语从句的复合句（每题1分，共10分）根据语境，补全含同位语从句的复合句（注意引导词的选择、先行词的搭配和语序规则），使句子完整、通顺，将答案填在题后横线上。89.Wewereexcitedatthenews________(我们的球队赢得了决赛).________90.Ihavenoidea________(他什么时候会回来).________Thefact________(她已经通过了驾照考试)surprisedallofus.________91.Sheputforwardthesuggestion________(我们应该为贫困儿童捐赠衣物).________92.Mydoubt________(他是否能按时参加会议)remainsunanswered.________93.Thenews________(一座新的博物馆将在明年建成)spreadinourcity.________94.Iholdthebelief________(努力学习总能得到回报).________95.Doyouknowthefact________(光比声音传播得快)?________96.Thesuggestion________(我们应该每周举行一次英语角)waswelcomedbystudents.________97.Mydoubt________(她是否能胜任这份工作)makesmeworried.________参考答案与解析第一部分单项选择（40分）1.A解析：先行词为news（消息），同位语从句“ourteamhadwonthechampionship”句意完整、不缺成分，应用that引导，that无实义，只起连接作用，故选A。2.B解析：先行词为idea（想法），同位语从句“hewillarriveattheairport”缺时间状语，应用when引导，表“什么时候”，故选B。3.B解析：先行词为fact（事实），同位语从句“hedidn’tattendthemeeting”句意完整、不缺成分，应用that引导，which不能引导同位语从句，故选B。4.A解析：先行词为suggestion（建议），同位语从句“weshouldholdacharitysaletoraisemoney”句意完整、不缺成分，应用that引导，故选A。5.B解析：先行词为doubt（疑问），表不确定的“是否”，同位语从句应用whether引导，that用于doubt表“无疑”时，故选B。6.A解析：先行词为news（消息），同位语从句“ourschoolwillbuildanewlab”句意完整、不缺成分，应用that引导，故选A。7.B解析：先行词为question（问题），同位语从句表“是否”，且与or连用，应用whether引导，that不能表“是否”，故选B。8.A解析：先行词为belief（信念），同位语从句“hardworkwillleadtosuccess”句意完整、不缺成分，应用that引导，故选A。9.A解析：先行词为idea（想法），同位语从句“wecantravelaroundtheworldinaweek”句意完整、不缺成分，应用that引导，故选A。10.D解析：先行词为information（信息），同位语从句“themeetingwillbeheldtomorrow”表“是否”，应用whether引导，故选D。11.B解析：先行词为fact（事实），同位语从句“shehaspassedtheexam”句意完整、不缺成分，应用that引导，故选B。12.A解析：先行词为doubt（疑问），表“无疑”时，同位语从句用that引导，本句句意“我毫不怀疑他会遵守帮我们的承诺”，故选A。13.A解析：先行词为suggestion（建议），同位语从句“weshouldaskforhelpfromtheteacher”句意完整、不缺成分，应用that引导，故选A。14.A解析：先行词为news（消息），同位语从句“hisbrotherhadbeenadmittedtoakeyuniversity”句意完整、不缺成分，应用that引导，故选A。15.B解析：先行词为question（问题），同位语从句表“是否”，应用whether引导，故选B。16.A解析：先行词为belief（信念），同位语从句“alllivingthingsshouldberespected”句意完整、不缺成分，应用that引导，故选A。17.A解析：先行词为fact（事实），同位语从句“theearthisround”为客观真理，句意完整，应用that引导，故选A。18.B解析：先行词为idea（想法），同位语从句“heborrowedsomuchmoneyfromothers”缺原因状语，应用why引导，表“为什么”，故选B。19.A解析：先行词为suggestion（建议），同位语从句“weshouldpostponethemeeting”句意完整、不缺成分，应用that引导，故选A。20.A解析：先行词为news（消息），同位语从句“aterriblestormiscoming”句意完整、不缺成分，应用that引导，故选A。21.B解析：先行词为doubt（疑问），表不确定的“是否”，同位语从句应用whether引导，故选B。22.A解析：先行词为idea（想法），同位语从句“educationisthemostimportantthingforachild”句意完整、不缺成分，应用that引导，故选A。23.D解析：先行词为news（消息），同位语从句“ourfavoriteteacherwillcomebacktoschool”表“是否”，应用whether引导，故选D。24.A解析：先行词为fact（事实），同位语从句“hewaslateforschoolagain”句意完整、不缺成分，应用that引导，故选A。25.A解析：先行词为suggestion（建议），同位语从句“weshouldorganizeaschooltripthisweekend”句意完整、不缺成分，应用that引导，故选A。26.B解析：先行词为idea（想法），同位语从句“theywillmeetusatthestation”缺时间状语，应用when引导，故选B。27.A解析：先行词为belief（信念），同位语从句“wecanovercomealldifficultiestogether”句意完整、不缺成分，应用that引导，故选A。28.A解析：先行词为news（消息），同位语从句“ourteamhadlostthegame”句意完整、不缺成分，应用that引导，故选A。29.B解析：先行词为question（问题），同位语从句表“是否”，且与or连用，应用whether引导，故选B。30.A解析：先行词为fact（事实），同位语从句“waterboilsat100degreesCelsius”为客观真理，句意完整，应用that引导，故选A。31.B解析：先行词为idea（想法），同位语从句“hehasgonetoBeijingonbusiness”表“是否”，应用whether引导，故选B。32.A解析：先行词为suggestion（建议），同位语从句“weshouldimproveourstudyhabits”句意完整、不缺成分，应用that引导，故选A。33.A解析：先行词为news（消息），同位语从句“anewlibrarywillbebuiltinourcommunity”句意完整、不缺成分，应用that引导，故选A。34.B解析：先行词为doubt（疑问），表不确定的“是否”，同位语从句应用whether引导，故选B。35.A解析：先行词为view（观点），同位语从句“readingisagoodwaytoenrichourknowledge”句意完整、不缺成分，应用that引导，故选A。36.B解析：先行词为information（信息），同位语从句“theexamwillbeheldnextmonth”表“是否”，应用whether引导，故选B。37.A解析：先行词为fact（事实），同位语从句“sheisgoodatplayingthepiano”句意完整、不缺成分，应用that引导，故选A。38.A解析：先行词为suggestion（建议），同位语从句“weshouldinviteourparentstotheschoolparty”句意完整、不缺成分，应用that引导，故选A。39.B解析：先行词为idea（想法），同位语从句“hewillreturnthebooktothelibrary”缺时间状语，应用when引导，故选B。40.A解析：先行词为belief（信念），同位语从句“honestyisthebestpolicy”句意完整、不缺成分，应用that引导，故选A。41.A解析：先行词为news（消息），同位语从句“ourschoolwonthefirstprizeinthecompetition”句意完整、不缺成分，应用that引导，故选A。42.B解析：先行词为question（问题），同位语从句“wecangethelpfromthegovernment”表“是否”，应用whether引导，故选B。43.A解析：先行词为fact（事实），同位语从句“thesunrisesintheeastandsetsinthewest”为客观真理，句意完整，应用that引导，故选A。第二部分用适当的引导词填空（20分）41.that解析：先行词为news（消息），同位语从句“abigfirebrokeoutintheshoppingmall”句意完整、不缺成分，用that引导，that无实义，只起连接作用。42.when解析：先行词为idea（想法），同位语从句“themeetingwillstart”缺时间状语，用when引导，表“什么时候”。43.that解析：先行词为fact（事实），同位语从句“hehasneverliedtous”句意完整、不缺成分，用that引导。44.that解析：先行词为suggestion（建议），同位语从句“weshoulddonatebookstothechildreninpoorareas”句意完整、不缺成分，用that引导。45.whether解析：先行词为doubt（疑问），表不确定的“是否”，同位语从句用whether引导，that用于doubt表“无疑”时。46.that解析：先行词为news（消息），同位语从句“ourteamwillplayinthefinalmatch”句意完整、不缺成分，用that引导。47.whether解析：先行词为question（问题），同位语从句表“是否”，用whether引导，that不能表“是否”。48.that解析：先行词为belief（信念），同位语从句“practicemakesperfect”为谚语，句意完整，用that引导。49.that解析：先行词为idea（想法），同位语从句“wecanfinishtheprojectaheadoftime”句意完整、不缺成分，用that引导。50.whether解析：先行词为information（信息），同位语从句“thetrainwillarriveontime”表“是否”，用whether引导。51.that解析：先行词为fact（事实），同位语从句“shemissedtheimportantmeeting”句意完整、不缺成分，用that引导。52.that解析：先行词为doubt（疑问），表“无疑”时，同位语从句用that引导，本句句意“我毫不怀疑他明天会来参加我们的派对”。53.that解析：先行词为suggestion（建议），同位语从句“weshouldsetupastudygroup”句意完整、不缺成分，用that引导。54.that解析：先行词为news（消息），同位语从句“hissisterhadwonthefirstprizeinthesingingcompetition”句意完整、不缺成分，用that引导。55.whether解析：先行词为question（问题），同位语从句“wecangetenoughfundingfortheproject”表“是否”，用whether引导。56.that解析：先行词为belief（信念），同位语从句“allpeopleareequal”句意完整、不缺成分，用that引导。57.that解析：先行词为fact（事实），同位语从句“themoongoesaroundtheearth”为客观真理，句意完整，用that引导。58.why解析：先行词为idea（想法），同位语从句“herefusedsuchagoodoffer”缺原因状语，用why引导，表“为什么”。59.that解析：先行词为suggestion（建议），同位语从句“weshouldpostponetheexamtonextweek”句意完整、不缺成分，用that引导。60.whether解析：先行词为doubt（疑问），表不确定的“是否”，同位语从句“sheisqualifiedforthejob”用whether引导。第三部分句型转换（20分）61.Thenewsthatourteamhadwonthegameexcitedallofus.解析：先行词选news（消息），同位语从句“ourteamhadwonthegame”句意完整，用that引导，将从句置于先行词后，使句子连贯。62.Ihavenoideawhenhewillcometothepartytomorrow.解析：先行词为idea（想法），同位语从句“hewillcometothepartytomorrow”缺时间状语，用when引导，整合为含同位语从句的复合句。Thefactthatshehaspassedthefinalexammakesherparentsveryhappy.解析：先行词选fact（事实），同位语从句“shehaspassedthefinalexam”句意完整，用that引导，连接两个简单句。63.Heputforwardthesuggestionthatweshouldhelpthepoorchildren.解析：先行词为suggestion（建议），同位语从句“weshouldhelpthepoorchildren”句意完整，用that引导，将从句置于先行词后。64.Ihavesomedoubtwhetherhecanfinishtheworkontime.解析：先行词为doubt（疑问），表不确定的“是否”，同位语从句用whether引导，整合为复合句。65.Thenewsthatanewparkwillbebuiltinourcityspreadquickly.解析：先行词选news（消息），同位语从句“anewparkwillbebuiltinourcity”句意完整，用that引导，连接两个简单句。66.Heaskedmethequestionwhetherweshouldgotherebybike.解析：先行词为question（问题），同位语从句表“是否”，用whether引导，整合为复合句。67.Iholdthebeliefthathardworkleadstosuccess.解析：先行词为belief（信念），同位语从句“hardworkleadstosuccess”句意完整，用that引导，将从句置于先行词后。68.Theideathatwecantravelaroundtheworldinamonthisimpossible.解析：先行词选idea（想法），同位语从句“wecantravelaroundtheworldinamonth”句意完整，用that引导，连接两个简单句。69.DoyouhaveanyinformationwhetherthemeetingwillbeheldonMonday?解析：先行词为information（信息），同位语从句表“是否”，用whether引导，整合为复合句。70.Thefactthathewaslateforschoolagainsurprisedhisteacher.解析：先行词选fact（事实），同位语从句“hewaslateforschoolagain”句意完整，用that引导，连接两个简单句。71.Ihavenodoubtthathewillkeephispromise.解析：先行词为doubt（疑问），表“无疑”时，同位语从句用that引导，整合为复合句。72.Thesuggestionthatweshouldorganizeaschooltripwasputforwardbyourmonitor.解析：先行词为suggestion（建议），同位语从句“weshouldorganizeaschooltrip”句意完整，用that引导，将从句置于先行词后。73.Hetoldmethenewsthathisbrotherhadbeenadmittedtoakeyuniversity.解析：先行词选news（消息），同位语从句“hisbrotherhadbeenadmittedtoakeyuniversity”句意完整，用that引导，连接两个简单句。74.Myquestionwhetherwecangetenoughmaterialsfortheprojectremainsunanswered.解析：先行词为question（问题），同位语从句表“是否”，用whether引导，整合为复合句。75.Sheholdsthebeliefthatalllivingthingsshouldberespected.解析：先行词为belief（信念），同位语从句“alllivingthingsshouldberespected”句意完整，用that引导，将从句置于先行词后。76.Doyouknowthefactthattheearthisround?解析：先行词选fact（事实），同位语从句“theearthisround”为客观真理，用that引导，连接两个简单句。77.Ihavenoideawhyheborrowedsomuchmoneyfromothers.解析：先行词为idea（想法），同位语从句“heborrowedsomuchmoneyfromothers”缺原因状语，用why引导，整合为复合句。78.Thesuggestionthatweshouldpostponethemeetingwasdiscussedatthemeeting.解析：先行词为suggestion（建议），同位语从句“weshouldpostponethemeeting”句意完整，用that引导，将从句置于先行词后。79.Thenewsthataterriblestormiscomingwarnedustotakeprecautions.解析：先行词选news（消息），同位语从句“aterriblestormiscoming”句意完整，用that引导，连接两个简单句。80.Mydoubtwhethersheistellingthetruthmakesmeunwillingtotrusther.解析：先行词为doubt（疑问），表不确定的“是否”，同位语从句用whether引导，整合为复合句。第四部分改正句中的同位语从句错误（10分）81.Wewerehappyatthenewsthatourteacherwouldcomebacktoschool.解析：引导词误用，先行词为news，同位语从句句意完整，不能用which，应改为that（which不能引导同位语从句）。82.Ihavenoideawhetherhewillcometothemeetingornot.解析：引导词误用，同位语从句表“是否”，且与ornot连用，不能用that，应改为whether。Thefactthathewasabsentfromschoolisthathewasill.解析：引导词误用，先行词为fact，同位语从句“hew