上海雙語(yǔ)初中英語(yǔ)單選題100道及答案解析

上海雙語(yǔ)初中英語(yǔ)單選題100道及答案解析1.—________doyougotothelibrary?—Onceaweek.A.HowoftenB.HowlongC.HowfarD.Howsoon答案：A解析：Howoften用于提問(wèn)頻率；Howlong提問(wèn)時(shí)間長(zhǎng)度或物體長(zhǎng)度；Howfar提問(wèn)距離；Howsoon提問(wèn)“多久之后”。根據(jù)答語(yǔ)“Onceaweek.”可知是問(wèn)頻率，故選A。2.—________isyourfather?—Heisadoctor.A.WhoB.WhatC.WhereD.How答案：B解析：Whatissb.?用于詢(xún)問(wèn)某人的職業(yè)，故選B。3.There________afootballmatchtomorrow.A.willhaveB.isgoingtohaveC.isgoingtobeD.aregoingtobe答案：C解析：Therebe句型的將來(lái)時(shí)結(jié)構(gòu)為：Therewillbe或Thereis/aregoingtobe。afootballmatch是單數(shù)，用isgoingtobe，故選C。4.—Canyouplay________piano?—No,butIcanplay________basketball.A.the;theB.the;/C./;theD./;/答案：B解析：樂(lè)器前要加定冠詞the，球類(lèi)前不加冠詞，故選B。5.Mysisteris________thanme.A.tallB.tallerC.tallestD.thetallest答案：B解析：than是比較級(jí)的標(biāo)志詞，tall的比較級(jí)是taller，故選B。6.—________didyouspendonthisbook?—20yuan.A.HowmuchB.HowmanyC.HowlongD.Howoften答案：A解析：Howmuch用于提問(wèn)價(jià)格或不可數(shù)名詞的數(shù)量；Howmany提問(wèn)可數(shù)名詞的數(shù)量；Howlong提問(wèn)時(shí)間長(zhǎng)度；Howoften提問(wèn)頻率。根據(jù)答語(yǔ)“20yuan.”可知是問(wèn)價(jià)格，故選A。7.He________toschoolbybikeeveryday.A.goesB.goC.wentD.willgo答案：A解析：everyday是一般現(xiàn)在時(shí)的時(shí)間狀語(yǔ)，主語(yǔ)he是第三人稱(chēng)單數(shù)，動(dòng)詞用goes，故選A。8.Listen!Someone________inthenextroom.A.singsB.issingingC.sangD.willsing答案：B解析：Listen!是現(xiàn)在進(jìn)行時(shí)的標(biāo)志詞，結(jié)構(gòu)為：be+動(dòng)詞的現(xiàn)在分詞，Someone作主語(yǔ)，be動(dòng)詞用is，故選B。9.I________myhomeworkwhenmymothercamein.A.wasdoingB.didC.doD.amdoing答案：A解析：when引導(dǎo)的時(shí)間狀語(yǔ)從句，從句用一般過(guò)去時(shí)，主句用過(guò)去進(jìn)行時(shí)，表示“當(dāng)......時(shí)候，某人正在做某事”，故選A。10.Thebookisvery________.I'm________init.A.interesting;interestedB.interested;interestingC.interesting;interestingD.interested;interested答案：A解析：interesting修飾物，表示“有趣的”；interested修飾人，表示“感興趣的”，beinterestedin是固定短語(yǔ)，故選A。11.—________fineweatheritis!—Yes.Let'sgoforawalk.A.WhatB.HowC.WhataD.Howa答案：A解析：weather是不可數(shù)名詞，感嘆句用What+形容詞+不可數(shù)名詞+主語(yǔ)+謂語(yǔ)！結(jié)構(gòu)，故選A。12.Weshouldkeepourclassroom________.A.cleanB.cleaningC.tocleanD.cleaned答案：A解析：keep+賓語(yǔ)+形容詞，表示“使......保持某種狀態(tài)”，clean是形容詞，故選A。13.NeitherhenorI________fromCanada.WearefromAustralia.A.isB.areC.amD.be答案：C解析：neither...nor...連接兩個(gè)主語(yǔ)時(shí)，遵循“就近原則”，I與am連用，故選C。14.Theoldmanhastwosons,but________ofthemliveswithhim.A.bothB.neitherC.allD.none答案：B解析：both表示“兩者都”；neither表示“兩者都不”；all表示“三者或三者以上都”；none表示“三者或三者以上都不”。twosons是兩者，根據(jù)but可知是否定，用neither，故選B。15.—MustIfinishmyhomeworknow?—No,you________.Youcandoittomorrow.A.mustn'tB.don'thavetoC.shouldn'tD.couldn't答案：B解析：Must引導(dǎo)的一般疑問(wèn)句，否定回答用No,youdon'thaveto.或No,youneedn't.故選B。16.Idon'tknowifhe________tomorrow.Ifhe________,I'llcallyou.A.willcome;comesB.comes;willcomeC.willcome;willcomeD.comes;comes答案：A解析：第一句中if表示“是否”，引導(dǎo)賓語(yǔ)從句，根據(jù)tomorrow用一般將來(lái)時(shí)；第二句中if表示“如果”，引導(dǎo)條件狀語(yǔ)從句，遵循“主將從現(xiàn)”原則，故選A。17.Theteachertoldusthattheearth________aroundthesun.A.goesB.wentC.goingD.togo答案：A解析：“地球繞著太陽(yáng)轉(zhuǎn)”是客觀真理，用一般現(xiàn)在時(shí)，主語(yǔ)theearth是第三人稱(chēng)單數(shù)，動(dòng)詞用goes，故選A。18.—Doyouknow________?—Nextyear.A.whenhecamehereB.whendidhecomehereC.whenhewillcomehereD.whenwillhecomehere答案：C解析：賓語(yǔ)從句用陳述句語(yǔ)序，排除B、D；根據(jù)答語(yǔ)“Nextyear.”可知用一般將來(lái)時(shí)，故選C。19.Thisisthebestfilm________Ihaveeverseen.A.thatB.whichC.whatD.when答案：A解析：先行詞被最高級(jí)修飾時(shí)，關(guān)系代詞用that，故選A。20.Hehas________friendshere.Heoftenstaysathomebyhimself.A.afewB.fewC.alittleD.little答案：B解析：afew和few修飾可數(shù)名詞，afew表示“一些”，few表示“幾乎沒(méi)有”；alittle和little修飾不可數(shù)名詞，alittle表示“一些”，little表示“幾乎沒(méi)有”。friends是可數(shù)名詞復(fù)數(shù)，根據(jù)“Heoftenstaysathomebyhimself.”可知幾乎沒(méi)有朋友，故選B。21.—Couldyoupleasepassmethebook?—________.A.Yes,IcouldB.No,Icouldn'tC.Sure.HereyouareD.You'rewelcome答案：C解析：Couldyouplease...?表示委婉請(qǐng)求，肯定回答用Sure./Ofcourse.等，故選C。22.Myparentsoftentellme________toomuchjunkfood.A.nottoeatB.don'teatC.noteatD.tonoteat答案：A解析：tellsb.nottodosth.表示“告訴某人不要做某事”，故選A。23.—Howdoyoustudyforatest?—________workingwithfriends.A.ByB.WithC.OnD.For答案：A解析：by表示“通過(guò)......方式”，故選A。24.—________doyoulikepandas?—Becausetheyarecute.A.WhyB.WhatC.WhereD.How答案：A解析：Why用于詢(xún)問(wèn)原因，根據(jù)答語(yǔ)“Becausetheyarecute.”可知選A。25.I'mverythirsty.Pleasegiveme________water.A.someB.anyC.manyD.afew答案：A解析：some常用于肯定句，表示“一些”，也可用于表示請(qǐng)求或希望得到肯定回答的疑問(wèn)句；any常用于否定句和疑問(wèn)句；many修飾可數(shù)名詞復(fù)數(shù)；afew修飾可數(shù)名詞復(fù)數(shù)。water是不可數(shù)名詞，且本句是希望得到肯定回答的疑問(wèn)句，故選A。26.Thereare________peopleintheparkonSundays.A.toomuchB.toomanyC.muchtooD.manytoo答案：B解析：toomuch修飾不可數(shù)名詞；toomany修飾可數(shù)名詞復(fù)數(shù)；muchtoo修飾形容詞或副詞；沒(méi)有manytoo這種表達(dá)。people是集合名詞，本身是復(fù)數(shù)概念，用toomany修飾，故選B。27.—________isitfromyourhometoschool?—It'sabouttwokilometers.A.HowfarB.HowlongC.HowoftenD.Howsoon答案：A解析：Howfar提問(wèn)距離；Howlong提問(wèn)時(shí)間長(zhǎng)度或物體長(zhǎng)度；Howoften提問(wèn)頻率；Howsoon提問(wèn)“多久之后”。根據(jù)答語(yǔ)“It'sabouttwokilometers.”可知是問(wèn)距離，故選A。28.Theboyis________togotoschool.A.oldenoughB.enougholdC.youngenoughD.enoughyoung答案：A解析：enough修飾形容詞或副詞時(shí)，要放在其后。根據(jù)“togotoschool”可知是年齡足夠大，故選A。29.—________doyouusuallygoshopping?—OnSundays.A.WhenB.WhereC.WhatD.How答案：A解析：根據(jù)答語(yǔ)“OnSundays.”可知是問(wèn)時(shí)間，故選A。30.Weshouldbekindtotheoldandtakecare________themindailylife.A.ofB.forC.withD.about答案：A解析：takecareof表示“照顧”，是固定短語(yǔ)，故選A。31.—HaveyoueverbeentoBeijing?—Yes,I________therelastyear.A.wentB.havegoneC.goD.willgo答案：A解析：lastyear是一般過(guò)去時(shí)的時(shí)間狀語(yǔ)，動(dòng)詞用過(guò)去式went，故選A。32.—Howwasyourvacation?—________.A.ThatsoundsgreatB.ItwasgreatC.Fine,thanksD.Sure答案：B解析：?jiǎn)柧洹癏owwasyourvacation?”是詢(xún)問(wèn)假期怎么樣，A選項(xiàng)“那聽(tīng)起來(lái)很棒”；C選項(xiàng)“很好，謝謝”是回答“Howareyou?”；D選項(xiàng)“當(dāng)然”，都不符合語(yǔ)境，B選項(xiàng)“很棒”符合，故選B。33.It'simportant________us________Englishwell.A.for;tolearnB.of;tolearnC.for;learningD.of;learning答案：A解析：It's+形容詞+forsb.todosth.表示“對(duì)某人來(lái)說(shuō)做某事是......的”，It's+形容詞+ofsb.todosth.表示“某人做某事是......的”，此處表示“學(xué)好英語(yǔ)對(duì)我們來(lái)說(shuō)很重要”，用for，故選A。34.—Wouldyoulikesomecoffee?—No,thanks.I________drinkcoffee.A.neverB.alwaysC.oftenD.usually答案：A解析：never表示“從不”；always表示“總是”；often表示“經(jīng)?！?；usually表示“通?！薄８鶕?jù)“No,thanks.”可知是從不喝咖啡，故選A。35.—What'syourfavoritesubject?—________.A.ApplesB.EnglishC.RedD.Soccer答案：B解析：?jiǎn)柧洹癢hat'syourfavoritesubject?”是問(wèn)最喜歡的學(xué)科，A選項(xiàng)“蘋(píng)果”；C選項(xiàng)“紅色”；D選項(xiàng)“足球”都不符合，B選項(xiàng)“英語(yǔ)”符合，故選B。36.—________doyouexercise?—Threetimesaweek.A.HowlongB.HowoftenC.HowfarD.Howmany答案：B解析：Howlong提問(wèn)時(shí)間長(zhǎng)度；Howoften提問(wèn)頻率；Howfar提問(wèn)距離；Howmany提問(wèn)數(shù)量。根據(jù)答語(yǔ)“Threetimesaweek.”可知是問(wèn)頻率，故選B。37.Thelittlegirlwasafraid________thebridge.A.crossingB.tocrossC.crossedD.cross答案：B解析：beafraidtodosth.表示“害怕做某事”，故選B。38.—Whatwereyoudoingat8o'clocklastnight?—I________myhomework.A.doB.didC.wasdoingD.amdoing答案：C解析：at8o'clocklastnight是過(guò)去進(jìn)行時(shí)的時(shí)間狀語(yǔ)，結(jié)構(gòu)為was/were+doing，故選C。39.Mymother________whenIgothome.A.cooksB.wascookingC.iscookingD.cooked答案：B解析：when引導(dǎo)的時(shí)間狀語(yǔ)從句，從句用一般過(guò)去時(shí)，主句用過(guò)去進(jìn)行時(shí)，故選B。40.There________asportsmeetinginourschoolnextweek.A.willhaveB.isgoingtohaveC.isgoingtobeD.aregoingtobe答案：C解析：Therebe句型的將來(lái)時(shí)結(jié)構(gòu)為：Therewillbe或Thereis/aregoingtobe。asportsmeeting是單數(shù)，用isgoingtobe，故選C。41.Weshouldkeepthewindows________inordertoletthefreshairin.A.openB.openedC.closeD.closed答案：A解析：keep+賓語(yǔ)+形容詞，open作形容詞表示“開(kāi)著的”，故選A。42.—CanyoucometomypartyonSaturday?—________.Ihavetolookaftermysister.A.Sorry,Ican'tB.Yes,I'dlovetoC.Let'sgoD.That'sallright答案：A解析：根據(jù)“Ihavetolookaftermysister.”可知不能去，A選項(xiàng)“對(duì)不起，我不能”符合；B選項(xiàng)“是的，我愿意”不符合；C選項(xiàng)“我們走吧”不符合；D選項(xiàng)“沒(méi)關(guān)系”不符合，故選A。43.—________doyouimproveyourEnglish?—Byreadingaloudeverymorning.A.HowB.WhyC.WhenD.Where答案：A解析：Byreadingaloudeverymorning.表示方式，對(duì)方式提問(wèn)用How，故選A。44.Ithinkmathis________thanEnglish.A.muchdifficultB.moredifficultC.mostdifficultD.themostdifficult答案：B解析：than是比較級(jí)的標(biāo)志詞，difficult的比較級(jí)是moredifficult，故選B。45.—________?—It'sMonday.A.What'sthedatetodayB.WhatdayisittodayC.WhattimeisitD.Howareyou答案：B解析：A選項(xiàng)“What'sthedatetoday?”詢(xún)問(wèn)日期；B選項(xiàng)“Whatdayisittoday?”詢(xún)問(wèn)星期幾；C選項(xiàng)“Whattimeisit?”詢(xún)問(wèn)時(shí)間；D選項(xiàng)“Howareyou?”詢(xún)問(wèn)身體狀況。根據(jù)答語(yǔ)“It'sMonday.”可知是問(wèn)星期幾，故選B。46.—Howmuch________theshoes?—Fivedollars________enough.A.is;isB.are;isC.are;areD.is;are答案：B解析：shoes是復(fù)數(shù)，be動(dòng)詞用are；Fivedollars表示整體概念，作主語(yǔ)時(shí)be動(dòng)詞用is，故選B。47.Heisverytired.Heneeds________.A.torestB.restC.restingD.toresting答案：A解析：needtodosth.表示“需要做某事”，故選A。48.—WhereisTom?—He________thelibrary.A.hasgonetoB.hasbeentoC.goesD.went答案：A解析：hasgoneto表示“去了某地（還未回來(lái)）”；hasbeento表示“去過(guò)某地（已回來(lái)）”。根據(jù)問(wèn)句可知Tom不在說(shuō)話(huà)現(xiàn)場(chǎng)，故選A。49.—Yourdressisverybeautiful.—________.A.ThankyouB.You'rerightC.Don'tsaysoD.Yes,itis答案：A解析：對(duì)于別人的贊美，要表示感謝，故選A。50.Themusicsounds________.Ilikeitverymuch.A.wellB.goodC.badD.beautifully答案：B解析：sound是系動(dòng)詞，后接形容詞，A、D選項(xiàng)是副詞，C選項(xiàng)“bad”不符合語(yǔ)境，故選B。51.—________doyougotoBeijing?—Byplane.A.HowB.WhatC.WhenD.Where答案：A解析：Byplane表示方式，對(duì)方式提問(wèn)用How，故選A。52.Myfather________TVeveryday.A.watchesB.watchC.watchingD.iswatching答案：A解析：everyday是一般現(xiàn)在時(shí)的時(shí)間狀語(yǔ)，主語(yǔ)Myfather是第三人稱(chēng)單數(shù)，動(dòng)詞用watches，故選A。53.—What'sthematterwithyou?—Ihaveaheadache.IthinkI________seeadoctor.A.canB.mayC.mustD.might答案：C解析：根據(jù)“Ihaveaheadache.”可知身體不舒服，必須看醫(yī)生，must表示“必須”，故選C。54.Sheisagoodstudent.Shealwaysfinishesherhomework________.A.carefulB.carefullyC.careD.careless答案：B解析：修飾動(dòng)詞finishes要用副詞，careful的副詞形式是carefully，故選B。55.—Howmanystudentsarethereinyourclass?—Thereare________.A.forty-fiveB.forty-fifthC.fourty-fiveD.fourty-fifth答案：A解析：45的正確表達(dá)是forty-five，故選A。56.Thenewbridgeovertheriverisabout________long.A.twokilometersB.twokilometerC.two-kilometersD.two-kilometer's答案：A解析：“兩公里長(zhǎng)”表達(dá)為twokilometerslong，故選A。57.I'mnotsureifit________tomorrow.Ifit________,we'llstayathome.A.rains;rainsB.willrain;rainsC.rains;willrainD.willrain;willrain答案：B解析：第一句中if表示“是否”，根據(jù)tomorrow可知用一般將來(lái)時(shí)；第二句中if表示“如果”，遵循“主將從現(xiàn)”原則，從句用一般現(xiàn)在時(shí)，故選B。58.—Whosebookisthis?—It's________.A.meB.myC.mineD.I答案：C解析：mine是名詞性物主代詞，相當(dāng)于my+名詞，這里表示“我的書(shū)”，故選C。59.Wehadgreatfun________intheparklastSunday.A.playB.playedC.playingD.toplay答案：C解析：havefundoingsth.表示“做某事很開(kāi)心”，故選C。60.Thegirlissoshythatsheisafraidof________inpublic.A.speakB.speakingC.spokeD.tospeak答案：B解析：beafraidofdoingsth.表示“害怕做某事”，故選B。61.—Whatdidyoudolastnight?—Iwatchedamovie.Itwas________.A.interestedB.interestingC.interestD.interests答案：B解析：修飾物movie用interesting，故選B。62.TherearesomedifferencesbetweenAmericanEnglishandBritishEnglish.Forexample,theBritishsay“l(fā)orry”whiletheAmericanssay“________”.A.truckB.taxiC.busD.car答案：A解析：英式英語(yǔ)中的“l(fā)orry”相當(dāng)于美式英語(yǔ)中的“truck”（卡車(chē)），故選A。63.—CanyouspeakChinese?—Yes,butonly________.A.fewB.afewC.littleD.alittle答案：D解析：alittle修飾不可數(shù)名詞，表示“一點(diǎn)”，這里指會(huì)說(shuō)一點(diǎn)中文，故選D。64.—Howoftendoyouwritetoyourgrandparents?—________.A.OnceamonthB.OnemonthC.InamonthD.Foramonth答案：A解析：Howoften提問(wèn)頻率，Onceamonth表示“每月一次”，符合題意，故選A。65.Theteacheraskedus________toomuchnoiseinclass.A.notmakeB.nottomakeC.don'tmakeD.tonotmake答案：B解析：asksb.nottodosth.表示“要求某人不要做某事”，故選B。66.Mysisterlikessinginganddancing.Sheisvery________.A.activeB.quietC.shyD.lazy答案：A解析：喜歡唱歌跳舞說(shuō)明很活躍，active表示“活躍的”，故選A。67.—What'syourhobby?—Ilikecollecting________.A.stampB.stampsC.astampD.thestamp答案：B解析：收集郵票用collectstamps，這里用復(fù)數(shù)形式，故選B。68.Ittookmetwohours________myhomeworkyesterday.A.tofinishB.finishC.finishingD.finished答案：A解析：Ittakessb.sometimetodosth.表示“做某事花費(fèi)某人多長(zhǎng)時(shí)間”，故選A。69.Thestoryis________.Itmakesusalllaugh.A.funnyB.boringC.sadD.exciting答案：A解析：根據(jù)“Itmakesusalllaugh.”可知故事很有趣，funny表示“有趣的”，故選A。70.—Whichseasondoyoulikebest?—Ilike________bestbecauseIcanmakeasnowman.A.springB.summerC.autumnD.winter答案：D解析：能堆雪人的季節(jié)是冬天，故選D。71.Heistooyoungtogotoschool.Heisonly________yearsold.A.threeB.thirteenC.thirtyD.threehundred答案：A解析：tooyoungtogotoschool說(shuō)明年齡很小，只有三歲符合，故選A。72.—Whatdoyouthinkofthemovie?—It'sreallygreat.I________itverymuch.A.likeB.dislikeC.hateD.love答案：A解析：根據(jù)“It'sreallygreat.”可知很喜歡這部電影，like表示“喜歡”，故選A。73.Wehavetowearuniformsonschooldays.It'saschool________.A.ruleB.partyC.gameD.activity答案：A解析：穿校服是學(xué)校的規(guī)定，rule表示“規(guī)定”，故選A。74.—Howwastheweatheryesterday?—Itwas________.Itrainedheavily.A.sunnyB.cloudyC.rainyD.windy答案：C解析：根據(jù)“Itrainedheavily.”可知是下雨的天氣，rainy表示“下雨的”，故選C。75.Mymotherboughtmeanewbike.Iwasvery________.A.sadB.angryC.happyD.worried答案：C解析：媽媽買(mǎi)了新自行車(chē)，應(yīng)該是開(kāi)心的，happy表示“開(kāi)心的”，故選C。76.—What'syourfather'sjob?—Heisa________.Heworksinahospital.A.teacherB.doctorC.driverD.farmer答案：B解析：在醫(yī)院工作的是醫(yī)生，故選B。77.Iusuallygetupatsixo'clockinthemorning.ButtodayIgotupatseveno'clock.Iwas________forschool.A.earlyB.lateC.ontimeD.intime答案：B解析：平時(shí)六點(diǎn)起床，今天七點(diǎn)起床，所以上學(xué)遲到了，late表示“遲到”，故選B。78.Thedogisverycute.Ithasbigeyesandalongtail.It's________coloriswhite.A.itB.itsC.it'sD.itself答案：B解析：表示“它的顏色”用its，故選B。79.—Howmuchdoesthisbookcost?—Itcosts________.A.tendollarB.tendollarsC.tenthdollarD.tenthdollars答案：B解析：美元“dollar”的復(fù)數(shù)是“dollars”，表示價(jià)格用tendollars，故選B。80.Wearegoingtohaveapartythisweekend.Weneedtobuysome________.A.foodanddrinkB.foodsanddrinksC.afoodandadrinkD.thefoodandthedrink答案：A解析：food和drink表示“食物和飲料”時(shí)，是不可數(shù)名詞，不用復(fù)數(shù)形式，也不用加冠詞，故選A。81.—Whatareyougoingtodothisafternoon?—I'mgoingto________mygrandparents.A.visitB.visitedC.visitingD.visits答案：A解析：begoingto后接動(dòng)詞原形，故選A。82.Sheisafamoussinger.Shehasalotof________.A.fansB.friendsC.classmatesD.teachers答案：A解析：著名歌手有很多粉絲，fan表示“粉絲”，故選A。83.Theparkisagoodplace________.Wecanhaveagoodtimethere.A.goB.togoC.goingD.went答案：B解析：agoodplacetodosth.表示“做某事的好地方”，故選B。84.—Doyouknowwhenthemeetingwillstart?—Itwillstartat9o'clock.Wehavetobethere________.A.ontimeB.intimeC.attimesD.allthetime答案：A解析：ontime表示“準(zhǔn)時(shí)”；intime表示“及時(shí)”；attimes表示“有時(shí)”；allthetime表示“一直”。會(huì)議九點(diǎn)開(kāi)始，我們要準(zhǔn)時(shí)到，故選A。85.MyEnglishteacherisverykind.Sheoftenhelpsme________myEnglish.A.withB.toC.forD.at答案：A解析：helpsb.withsth.表示“幫助某人某事”，故選A。86.—Whatsportdoyoulikebest?—Ilikebasketballbest.Ithinkit'svery________.A.boringB.relaxingC.difficultD.tiring答案：B解析：喜歡籃球是因?yàn)橛X(jué)得它很令人放松，relaxing表示“令人放松的”，故選B。87.Therestaurantisverypopular.Therearealwaysalotofpeople________there.A.eatB.eatingC.ateD.toeat答案：B解析：Therebesb.doingsth.表示“有某人正在做某事”，這里指有很多人正在餐廳吃飯，故選B。88.Ican'tfindmykeys.IthinkI________themathome.A.leftB.forgotC.rememberedD.took答案：A解析：leavesth.athome表示“把某物落在家里”，這里用過(guò)去式left，故選A。89.—What'stheheightofthebuilding?—It'sabout50meters________.A.highB.heightC.higherD.highest答案：A解析：表示“50米高”用50metershigh，故選A。90.Weshouldsavewater.It'sveryimportantforour_______