2026年英语it的用法测试题及答案

2026年英语it的用法测试题及答案

一、单项选择题，(总共10题，每题2分)1.Inthesentence"______issunnytoday,"whatshouldfilltheblank?(A)It(B)Weather(C)Sky(D)There2.Whichsentenceuses"it"correctlyasadummysubject?(A)ItJohniscoming(B)Itiseasytolearn(C)Easyisittolearn(D)Johnitiscoming3."Ifoundabook.______isinteresting."Choosethebestoption.(A)It(B)This(C)That(D)He4.Inthecleftsentence"______wasMarywhocalled,"whatshouldfilltheblank?(A)It(B)She(C)That(D)This5."______seemsthatthetrainislate."Selectthecorrectword.(A)It(B)That(C)This(D)What6.Fordistance,"______istenmilestothebeach."Whatisappropriate?(A)It(B)There(C)Distance(D)Way7."Ithink______isimportanttopracticedaily."Choosetherightpronoun.(A)it(B)that(C)this(D)what8.Intheidiom"______'sashameyoumissedit,"whatfitsbest?(A)It(B)That(C)This(D)What9."Thecatmeowed.______washungry."Whatshouldbeused?(A)It(B)She(C)He(D)They10."Is______truethatyouwon?"Whatisthecorrectchoice?(A)it(B)that(C)this(D)what二、填空题，(总共10题，每题2分)1.______iscoldinwinter.2.Ifind______hardtobelieve.3.______waslastweekthatwemet.4.Thephonerang.______wasmyfriend.5.______issnowingheavily.6.______istimefordinner.7.______'snopointarguing.8.______isashortwalktothepark.9.Doyouthink______possible?10.______appearsthattheplanfailed.三、判断题，(总共10题，每题2分)1."It"canrefertoaspecificpersoninformalEnglish.(True/False)2."It"iscommonlyusedasadummysubjectforweatherexpressions.(True/False)3.In"Itisimportanttoread,""it"canbeomittedwithoutchangingmeaning.(True/False)4."It"isalwayspluralwhenreferringtomultipleobjects.(True/False)5.Cleftsentenceslike"Itwasshewhodidit"use"it"foremphasis.(True/False)6."It"canbeusedforanimalsininformalcontexts.(True/False)7.In"Ienjoyitwhenitrains,"thefirst"it"isadummysubject.(True/False)8."It"isnotusedintimeexpressionslike"Itis3o'clock."(True/False)9."It"and"there"areinterchangeableindistancedescriptions.(True/False)10."It"isessentialinidiomaticphrasessuchas"It'sapieceofcake."(True/False)四、简答题，(总共4题，每题5分)1.Explaintheuseof"it"asaformalsubjectinEnglishsentences,providingexamples.2.Describehow"it"functionsincleftsentences,includingitsstructureandpurpose.3.Discusstheroleof"it"inexpressingweather,time,anddistance,withillustrations.4.Comparetheuseof"it"and"there"asdummysubjects,highlightingkeydifferences.五、讨论题，(总共4题，每题5分)1.Analyzetheversatilityof"it"inEnglishgrammar,coveringitsvariousrolesandcontexts.2.Discusscommonerrorslearnersmakewith"it"andprovidestrategiestoavoidthem.3.Explainwhy"it"isacrucialelementinEnglishsyntax,referencingitsimpactonsentenceclarity.4.Explorehowtheusageof"it"differsbetweenspokenandwrittenEnglish,consideringformalityandfrequency.答案和解析一、单项选择题1.A解析:"It"isusedasadummysubjectforweatherconditions.2.B解析:"It"servesasadummysubjectininfinitivephraseslike"tolearn."3.A解析:"It"refersbacktothepreviouslymentionedobject"abook."4.A解析:"It"introducesacleftsentenceforemphasison"Mary."5.A解析:"It"actsasadummysubjectinclausesstartingwith"seemsthat."6.A解析:"It"isstandardforindicatingdistanceinEnglish.7.A解析:"It"functionsasaformalsubjectfortheinfinitive"topractice."8.A解析:"It"isidiomaticinexpressionslike"It'sashame."9.A解析:"It"commonlyreferstoanimals,especiallywhengenderisunspecified.10.A解析:"It"isusedasadummysubjectinreportedorgeneralstatements.二、填空题1.It解析:Dummysubjectforweather.2.it解析:Formalobjectin"findithard."3.It解析:Cleftsentencestructurefortimeemphasis.4.It解析:Referstotheantecedent"phone"orimpliedcaller.5.It解析:Standardforweatherevents.6.It解析:Usedintime-relatedexpressions.7.It解析:Idiomaticphrasemeaningfutility.8.It解析:Commonfordistancedescriptions.9.it解析:Dummysubjectinquestionslike"thinkitpossible."10.It解析:Dummysubjectwithverbslike"appears."三、判断题1.False解析:"It"rarelyreferstopeople;personalpronounsarepreferred.2.True解析:Itisakeyfunctioninimpersonalconstructions.3.False解析:Omitting"it"makesthesentencegrammaticallyincorrect.4.False解析:"It"remainssingularregardlessofcontext.5.True解析:Cleftsentencesuse"it"tohighlightspecificelements.6.True解析:"It"isacceptableforanimals,particularlyingeneralreference.7.True解析:Thefirst"it"isdummy;thesecondreferstoweather.8.False解析:"It"isstandardintimeexpressions.9.False解析:"It"isfordistance;"there"indicatesexistence.10.True解析:Idiomsrelyon"it"forfixedexpressions.四、简答题1."It"asaformalsubjectallowssentencestostartwithanimpersonalelement,shiftingfocustotherealsubject,oftenaninfinitiveorclause.Forexample,"Itisessentialtoarriveearly"avoidsawkwardnesslike"Toarriveearlyisessential."Thisstructureenhancesreadabilityandiscommoninacademicwriting.Itmaintainsgrammaticalbalancebyprovidingaplaceholderfordelayedsubjects,suchasin"Itseemsthatheisbusy,"where"thatheisbusy"isthetruesubject.Thisusagepreventsfront-loadingcomplexphrases,makingEnglishmorefluidandaccessibleindailycommunication.2.Incleftsentences,"it"introducesemphasisbysplittingasentenceintotwoparts:"It+be+emphasizedelement+relativeclause."Forinstance,"ItwasthebookthatIlost"stresses"thebook"overotherpossibilities.Thestructureincludes"it"asadummysubject,followedbyaformof"be,"thefocuseditem,andarelativeclause(e.g.,who,that).Thishighlightsspecificinformation,suchastimeoragent,improvingclarityinnarratives.Examplesinclude"ItisJohnwhohelps"toemphasizethedoer,contrastingwithsimplestatementslike"Johnhelps."3."It"servesasadummysubjectinexpressionsforweather("Itisraining"),time("Itis5PM"),anddistance("Itisfivemiles").Thisusagecreatesimpersonalsentenceswhere"it"doesn'trefertoanythingconcretebutfillsthesubjectslot.Forweather,itstandardizesdescriptionswithoutnamingelementslike"sky."Intime,itprovidesaneutralreferencepoint,e.g.,"Itislate."Fordistance,itquantifiestravel,asin"Itisfar."Thesestructuresareidiomatic,avoidingredundancyandensuringsentencesflownaturallyinbothspeechandwriting.4."It"and"there"bothactasdummysubjectsbutdifferinfunction."It"introducesclauseswithdelayedsubjects,ofteninvolvingadjectives,infinitives,orclauses,e.g.,"Itisimportanttostudy.""There"indicatesexistenceorpresence,e.g.,"Thereisaproblem."Keydifferences:"It"focusesonabstractconceptslikeimportanceorpossibility,while"there"pointstotangibleorexistentialstates."It"isusedwithspecificverbslike"seem"or"appear,"whereas"there"pairswith"be"forlocationorquantity.Confusingthemcanleadtoerrors,suchasusing"there"inweatherexpressionsinsteadof"it."五、讨论题1.Theversatilityof"it"inEnglishgrammarstemsfromitsrolesasapronoun,dummysubject,andemphasistool.Asapronoun,itreferstoobjects,animals,orideas,e.g.,"Iseeit."Asadummysubject,itenablesimpersonalconstructionsforweather,time,andinfinitives,like"Itiscold."Incleftsentences,ithighlightselements,e.g.,"Itwasshewhowon."Thismultifunctionalityallows"it"toadapttovariouscontexts,fromcasualspeechtoformalwriting,byprovidingsyntacticflexibility.Itresolvesambiguity,supportsidiomaticexpressions,andmaintainssentencerhythm,makingitindispensableforclearcommunicationacrossdifferentregistersandpurposes.2.Commonerrorswith"it"includeomittingitindummysubjectpositions,e.g.,saying"Isimportant"insteadof"Itisimportant,"ormisusingitforpeople,like"ItisJohn"insteadof"HeisJohn."Learnersalsoconfuse"it"with"there,"suchasin"Thereisraining"forweather.Toavoidthese,practiceidentifyingwhen"it"actsasaplaceholder,studyfixedexpressions,anduseexerciseslikesentencerewriting.Emphasizecontext:"it"forabstractionsand"there"forexistence.Regularfeedbackandexposuretoauthentictextscanreinforcecorrectusage,reducingmistakesinbothspokenandwrittenEnglish.3."It"iscrucialinEnglishsyntaxbecauseitprovidesstructuralcoherenceinsentenceswithdelayedorabstractsubjects.Itallowsforgrammaticalcorrectnessinexpressionswheretherealsubjectislengthyorcomplex,suchasinfinitives("Itisfuntoplay")orclauses("Itappearsthat...").Without"it,"sentencesbecomeawkwardorungrammatical,e.g.,"Toplayisfun"is