四川中考英語重點(diǎn)知識(shí)單選題100道及答案

四川中考英語重點(diǎn)知識(shí)單選題100道及答案1.—I'mreallytiredafteralong-daywork.—______acupofcoffee?Itmaymakeyoufeelbetter.A.WhynothaveB.Whydon'tC.HowabouthavingD.Wouldyoulikehaving答案：A解析：Whynot后接動(dòng)詞原形，表示提建議；Whydon't后要接主語；Howabout后接動(dòng)名詞，本題不選此項(xiàng)；Wouldyoulike后接todo。選A。2.Thebookisveryinteresting.I______ittwicealready.A.readB.havereadC.willreadD.amreading答案：B解析：根據(jù)already可知，句子要用現(xiàn)在完成時(shí)，表示過去發(fā)生的動(dòng)作對(duì)現(xiàn)在造成的影響，“已經(jīng)讀了兩遍”。A是一般過去時(shí)；C是一般將來時(shí)；D是現(xiàn)在進(jìn)行時(shí)。選B。3.Theteachertoldusthatlight______fasterthansound.A.travelsB.traveledC.willtravelD.istraveling答案：A解析：表示客觀事實(shí)、真理時(shí)，即使主句是過去時(shí)態(tài)，從句也要用一般現(xiàn)在時(shí)。光比聲音傳播得快是客觀事實(shí)，所以用travels。B是過去式；C是將來時(shí)態(tài)；D是現(xiàn)在進(jìn)行時(shí)。選A。4.______beautifulthefloweris!A.WhatB.HowC.WhataD.Howa答案：B解析：感嘆句中，how修飾形容詞或副詞，結(jié)構(gòu)是How+形容詞/副詞+主語+謂語！what修飾名詞，此句中心詞是形容詞beautiful，所以用how。A、C用于修飾名詞；D形式錯(cuò)誤。選B。5.Thelittleboyis______young______hecan'tgotoschool.A.so;thatB.such;thatC.too;toD.enough;to答案：A解析：so...that...表示“如此……以至于……”，so后接形容詞或副詞；such...that...中such后接名詞；too...to...表示“太……而不能……”，to后接動(dòng)詞原形；enough...to...表示“足夠……去做……”，to后接動(dòng)詞原形。本題young是形容詞，所以用so...that...。選A。6.—______isyourfather?—Heisadoctor.A.WhatB.WhoC.WhereD.How答案：A解析：根據(jù)答語“他是一名醫(yī)生”可知，問句是詢問職業(yè)，用what。B詢問人是誰；C詢問地點(diǎn)；D詢問方式或身體狀況。選A。7.There______abasketballgameinourschooltomorrow.A.willhaveB.isgoingtohaveC.willbeD.aregoingtobe答案：C解析：表示某地有某物用Therebe句型，其將來時(shí)態(tài)是Therewillbe或Thereis/aregoingtobe。A、B中have不能和Therebe句型混用；abasketballgame是單數(shù)，所以用Therewillbe。選C。8.Iwon'tgototheparty______I'minvited.A.ifB.unlessC.whenD.because答案：B解析：unless表示“除非，如果不”，引導(dǎo)條件狀語從句；if表示“如果”；when表示“當(dāng)……時(shí)候”；because表示“因?yàn)椤?。根?jù)句意“我不會(huì)去參加派對(duì)，除非我被邀請(qǐng)”，選B。9.Mysister______thepianoeverydaywhenshewasyoung.A.playsB.playedC.hasplayedD.isplaying答案：B解析：根據(jù)whenshewasyoung可知，句子時(shí)態(tài)是一般過去時(shí)，動(dòng)詞用過去式。A是一般現(xiàn)在時(shí)；C是現(xiàn)在完成時(shí)；D是現(xiàn)在進(jìn)行時(shí)。選B。10.Theman______isstandingunderthetreeismyuncle.A.whoB.whichC.whoseD.whom答案：A解析：此句是定語從句，先行詞是theman指人，在從句中作主語，用who引導(dǎo)。which指物；whose表示所屬關(guān)系；whom在從句中作賓語。選A。11.—______didyoustayinBeijing?—Forabouttwoweeks.A.HowlongB.HowoftenC.HowfarD.Howsoon答案：A解析：根據(jù)答語“大約兩周”可知，問句是詢問時(shí)間段，用howlong。howoften詢問頻率；howfar詢問距離；howsoon詢問將來的時(shí)間，“多久以后”。選A。12.I'mlookingforwardto______yousoon.A.hearfromB.hearingfromC.hearofD.hearingof答案：B解析：lookforwardto中to是介詞，后接動(dòng)名詞，排除A、C；hearfrom表示“收到……的來信”；hearof表示“聽說”。根據(jù)句意“我期待著很快收到你的來信”，選B。13.Theboxis______heavy______Ican'tcarryit.A.so;thatB.such;thatC.too;toD.enough;to答案：A解析：同第5題，so后接形容詞heavy，引導(dǎo)結(jié)果狀語從句，選A。14.______usefulbookitis!A.WhatB.HowC.WhataD.Howa答案：C解析：感嘆句中，中心詞是可數(shù)名詞單數(shù)book，且useful發(fā)音以輔音音素開頭，用Whata+形容詞+可數(shù)名詞單數(shù)+其他！選C。15.Thestudents______toplanttreestomorrow.A.willbeaskedB.willaskC.areaskedD.ask答案：A解析：根據(jù)tomorrow可知用將來時(shí)態(tài)，students和ask是被動(dòng)關(guān)系，即“學(xué)生被要求去種樹”，所以用一般將來時(shí)的被動(dòng)語態(tài)willbeasked。B是主動(dòng)語態(tài)；C是一般現(xiàn)在時(shí)的被動(dòng)語態(tài)；D是主動(dòng)語態(tài)。選A。16.—______isthepopulationofyourcity?—Abouttwomillion.A.HowmanyB.HowmuchC.WhatD.Which答案：C解析：詢問人口數(shù)量用Whatisthepopulationof...?選C。17.He______hishomeworkathomeyesterday.A.forgetB.leftC.forgotD.leaves答案：B解析：leave表示“遺忘，落下”，可用于leavesth.+地點(diǎn)；forget表示“忘記”，不能與地點(diǎn)連用。根據(jù)yesterday可知用過去式left。A形式錯(cuò)誤；C不符合用法；D是一般現(xiàn)在時(shí)。選B。18.—______doyoulikepandas?—Becausetheyareverycute.A.WhyB.WhatC.WhereD.How答案：A解析：根據(jù)答語“因?yàn)樗鼈兒芸蓯邸笨芍?，問句詢問原因，用why。B詢問事物；C詢問地點(diǎn)；D詢問方式。選A。19.Weshouldpreventthestudents______playingcomputergamestoomuch.A.fromB.toC.forD.of答案：A解析：preventsb.fromdoingsth.表示“阻止某人做某事”，是固定搭配。選A。20.Themovieisvery______.Allofusare______init.A.interested;interestingB.interesting;interestedC.interested;interestedD.interesting;interesting答案：B解析：interesting常用來修飾物，“有趣的”；interested常用來修飾人，“感興趣的”。電影是物，用interesting；人是us，用interested。選B。21.She______herbiketoschooleveryday.A.ridesB.rodeC.hasriddenD.isriding答案：A解析：根據(jù)everyday可知，句子時(shí)態(tài)是一般現(xiàn)在時(shí)，主語She是第三人稱單數(shù)，動(dòng)詞用rides。B是過去式；C是現(xiàn)在完成時(shí)；D是現(xiàn)在進(jìn)行時(shí)。選A。22.—______haveyoubeentoShanghai?—Twice.A.HowoftenB.HowmanytimesC.HowlongD.Howfar答案：B解析：根據(jù)答語“兩次”可知，問句是詢問次數(shù)，用howmanytimes。howoften詢問頻率；howlong詢問時(shí)間段；howfar詢問距離。選B。23.Theproblemis______difficult______fewstudentscanworkitout.A.so;thatB.such;thatC.too;toD.enough;to答案：A解析：同第5、13題，difficult是形容詞，用so...that...引導(dǎo)結(jié)果狀語從句。選A。24.______excitingnewsitis!A.WhatB.HowC.WhatanD.Howan答案：A解析：感嘆句中，news是不可數(shù)名詞，用What+形容詞+不可數(shù)名詞+其他！選A。25.Thehouse______wasbuiltlastyearisverybig.A.whichB.whoC.whoseD.whom答案：A解析：此句是定語從句，先行詞是thehouse指物，在從句中作主語，用which引導(dǎo)。who、whom指人；whose表示所屬關(guān)系。選A。26.—______doesittakeyoutogettoschool?—Abouttwentyminutes.A.HowlongB.HowoftenC.HowfarD.Howsoon答案：A解析：根據(jù)答語“大約二十分鐘”可知，問句是詢問時(shí)間段，用howlong。howoften詢問頻率；howfar詢問距離；howsoon詢問將來的時(shí)間。選A。27.I'musedto______upearlyinthemorning.A.getB.gettingC.gotD.gets答案：B解析：beusedtodoingsth.表示“習(xí)慣于做某事”，to是介詞，后接動(dòng)名詞。選B。28.Theoldman______livesnexttousisverykind.A.whoB.whichC.whoseD.whom答案：A解析：先行詞是theoldman指人，在從句中作主語，用who引導(dǎo)。which指物；whose表示所屬關(guān)系；whom在從句中作賓語。選A。29.Wewon'tleave______ourteachercomesback.A.untilB.ifC.becauseD.though答案：A解析：not...until...表示“直到……才……”，根據(jù)句意“直到我們老師回來我們才離開”，選A。30.Theboyis______togotoschool.A.enougholdB.oldenoughC.toooldD.soold答案：B解析：enough修飾形容詞或副詞時(shí)，要后置，即“形容詞/副詞+enough”，表示“足夠……”。選B。31.She______Englishforfiveyears.A.haslearnedB.learnedC.willlearnD.islearning答案：A解析：根據(jù)forfiveyears可知，句子時(shí)態(tài)是現(xiàn)在完成時(shí)，表示過去發(fā)生的動(dòng)作持續(xù)到現(xiàn)在，“已經(jīng)學(xué)了五年英語”。B是一般過去時(shí)；C是一般將來時(shí)；D是現(xiàn)在進(jìn)行時(shí)。選A。32.—______isyournewdress?—It's200yuan.A.HowmanyB.HowmuchC.WhatD.Which答案：B解析：根據(jù)答語“200元”可知，問句是詢問價(jià)格，用howmuch。howmany詢問可數(shù)名詞的數(shù)量；what詢問事物；which詢問哪一個(gè)。選B。33.Theriveris______dirty______wecan'tswiminit.A.so;thatB.such;thatC.too;toD.enough;to答案：A解析：同第5、13、23題，dirty是形容詞，用so...that...引導(dǎo)結(jié)果狀語從句。選A。34.______wonderfulthepartyis!A.WhatB.HowC.WhataD.Howa答案：B解析：感嘆句中，中心詞是形容詞wonderful，用How+形容詞+主語+謂語！選B。35.Thebook______Iboughtyesterdayisveryinteresting.A.whichB.whoC.whoseD.whom答案：A解析：先行詞是thebook指物，在從句中作賓語，用which引導(dǎo)。who、whom指人；whose表示所屬關(guān)系。選A。36.—______doyougotothemovies?—Onceamonth.A.HowoftenB.HowmanytimesC.HowlongD.Howfar答案：A解析：根據(jù)答語“一個(gè)月一次”可知，問句是詢問頻率，用howoften。howmanytimes詢問次數(shù)；howlong詢問時(shí)間段；howfar詢問距離。選A。37.Heis______akindboy______everyonelikeshim.A.so;thatB.such;thatC.too;toD.enough;to答案：B解析：such...that...中such后接名詞短語，akindboy是名詞短語，所以用such...that...。so后接形容詞或副詞；too...to...和enough...to...結(jié)構(gòu)不符合本題。選B。38.______beautifulmusictheyareplaying!A.WhatB.HowC.WhataD.Howa答案：A解析：感嘆句中，music是不可數(shù)名詞，用What+形容詞+不可數(shù)名詞+其他！選A。39.Thegirl______hairisverylongismyclassmate.A.whoseB.whoC.whichD.whom答案：A解析：先行詞是thegirl指人，在從句中作定語，“女孩的頭發(fā)”，用whose引導(dǎo)。who、whom在從句中作主語或賓語；which指物。選A。40.—______willyourfathercomeback?—Intwodays.A.HowlongB.HowoftenC.HowfarD.Howsoon答案：D解析：根據(jù)答語“兩天后”可知，問句是詢問將來的時(shí)間，用howsoon。howlong詢問時(shí)間段；howoften詢問頻率；howfar詢問距離。選D。41.Weshouldkeeptheclassroom______.A.cleanB.cleanedC.cleaningD.toclean答案：A解析：keep+賓語+形容詞，表示“使……保持某種狀態(tài)”，clean是形容詞。選A。42.Theman______Imetinthestreetismyoldfriend.A.whoB.whichC.whoseD.whom答案：D解析：先行詞是theman指人，在從句中作賓語，用whom引導(dǎo)。who在從句中作主語；which指物；whose表示所屬關(guān)系。選D。43.Themathproblemis______difficultforme______workout.A.so;thatB.such;thatC.too;toD.enough;to答案：C解析：too...to...表示“太……而不能……”，to后接動(dòng)詞原形，符合本題“這道數(shù)學(xué)題對(duì)我來說太難而不能算出”的意思。so...that...和such...that...引導(dǎo)從句；enough...to...表示“足夠……去做……”不符合題意。選C。44.______deliciousthefoodis!A.WhatB.HowC.WhataD.Howa答案：B解析：感嘆句中，中心詞是形容詞delicious，用How+形容詞+主語+謂語！選B。45.Thebuilding______standsneartheparkisalibrary.A.whichB.whoC.whoseD.whom答案：A解析：先行詞是thebuilding指物，在從句中作主語，用which引導(dǎo)。who、whom指人；whose表示所屬關(guān)系。選A。46.—______istheweatherliketoday?—It'ssunny.A.WhatB.HowC.WhichD.Who答案：A解析：詢問天氣用Whatistheweatherlike...?或Howistheweather...?本題根據(jù)格式選A。47.She______herhomeworkatthistimeyesterday.A.didB.wasdoingC.hasdoneD.willdo答案：B解析：根據(jù)atthistimeyesterday可知，句子時(shí)態(tài)是過去進(jìn)行時(shí)，表示過去某個(gè)時(shí)間正在做某事。A是一般過去時(shí)；C是現(xiàn)在完成時(shí)；D是一般將來時(shí)。選B。48.Weshouldmakeacontribution______protectingtheenvironment.A.toB.forC.withD.at答案：A解析：makeacontributiontodoingsth.表示“為做某事做貢獻(xiàn)”，to是介詞。選A。49.Theboy______isrunningontheplaygroundismybrother.A.whoB.whichC.whoseD.whom答案：A解析：先行詞是theboy指人，在從句中作主語，用who引導(dǎo)。which指物；whose表示所屬關(guān)系；whom在從句中作賓語。選A。50.Hedidn'tgotoschool______hewasill.A.becauseB.ifC.thoughD.until答案：A解析：根據(jù)前后句邏輯關(guān)系，“他沒去上學(xué)是因?yàn)樗×恕?，用because引導(dǎo)原因狀語從句。if引導(dǎo)條件狀語從句；though引導(dǎo)讓步狀語從句；until表示“直到……才……”。選A。51.Thesongsounds______.Ilikeitverymuch.A.wellB.badlyC.niceD.beautifully答案：C解析：sound是感官動(dòng)詞，后接形容詞作表語。well作形容詞時(shí)表示“身體好”；badly是副詞；beautifully是副詞；nice是形容詞“好聽的”。選C。52.—______isyourschoolbag?—It'sblue.A.WhatcolorB.WhatC.WhichD.How答案：A解析：根據(jù)答語“它是藍(lán)色的”可知，問句是詢問顏色，用whatcolor。what詢問事物；which詢問哪一個(gè)；how詢問方式或程度。選A。53.Theriveris______wide______wecan'tswimacrossit.A.so;thatB.such;thatC.too;toD.enough;to答案：A解析：同前面相關(guān)題目，wide是形容詞，用so...that...引導(dǎo)結(jié)果狀語從句。選A。54.______excitinggameitis!A.WhatB.HowC.WhatanD.Howan答案：C解析：感嘆句中，中心詞是可數(shù)名詞單數(shù)game，且exciting發(fā)音以元音音素開頭，用Whatan+形容詞+可數(shù)名詞單數(shù)+其他！選C。55.Thegirl______youtalkedtojustnowismysister.A.whoB.whichC.whoseD.whom答案：D解析：先行詞是thegirl指人，在從句中作賓語，用whom引導(dǎo)。who在從句中作主語；which指物；whose表示所屬關(guān)系。選D。56.—______doyouusuallygotoschool?—Bybike.A.HowB.WhatC.WhereD.When答案：A解析：根據(jù)答語“騎自行車”可知，問句是詢問交通方式，用how。what詢問事物；where詢問地點(diǎn)；when詢問時(shí)間。選A。57.They______theGreatWallnextweek.A.visitB.willvisitC.visitedD.havevisited答案：B解析：根據(jù)nextweek可知，句子時(shí)態(tài)是一般將來時(shí)，用will+動(dòng)詞原形。A是一般現(xiàn)在時(shí)；C是一般過去時(shí)；D是現(xiàn)在完成時(shí)。選B。58.Theproblemis______easy______moststudentscanworkitout.A.so;thatB.such;thatC.too;toD.enough;to答案：A解析：同前面相關(guān)題目，easy是形容詞，用so...that...引導(dǎo)結(jié)果狀語從句。選A。59.______lovelythebabyis!A.WhatB.HowC.WhataD.Howa答案：B解析：感嘆句中，中心詞是形容詞lovely，用How+形容詞+主語+謂語！選B。60.Thebook______coverisredisveryinteresting.A.whoseB.whoC.whichD.whom答案：A解析：先行詞是thebook指物，在從句中作定語，“書的封面”，用whose引導(dǎo)。who、whom指人；which在從句中作主語或賓語。選A。61.—______haveyoulivedhere?—Since2000.A.HowlongB.HowoftenC.HowfarD.Howsoon答案：A解析：根據(jù)答語“自從2000年”可知，問句是詢問時(shí)間段，用howlong。howoften詢問頻率；howfar詢問距離；howsoon詢問將來的時(shí)間。選A。62.Heisgoodat______football.A.playB.playsC.playingD.played答案：C解析：begoodatdoingsth.表示“擅長做某事”，at是介詞，后接動(dòng)名詞。選C。63.Themovieis______boring______Ifellasleepinthecinema.A.so;thatB.such;thatC.too;toD.enough;to答案：A解析：同前面相關(guān)題目，boring是形容詞，用so...that...引導(dǎo)結(jié)果狀語從句。選A。64.______importantinformationitis!A.WhatB.HowC.WhatanD.Howan答案：A解析：感嘆句中，information是不可數(shù)名詞，用What+形容詞+不可數(shù)名詞+其他！選A。65.Theman______worksinthefactoryismyuncle.A.whoB.whichC.whoseD.whom答案：A解析：先行詞是theman指人，在從句中作主語，用who引導(dǎo)。which指物；whose表示所屬關(guān)系；whom在從句中作賓語。選A。66.—______isitfromyourhometoschool?—Abouttwokilometers.A.HowlongB.HowoftenC.HowfarD.Howsoon答案：C解析：根據(jù)答語“大約兩公里”可知，問句是詢問距離，用howfar。howlong詢問時(shí)間段；howoften詢問頻率；howsoon詢問將來的時(shí)間。選C。67.She______herkeysintheofficeyesterday.A.forgetB.leftC.forgotD.leaves答案：B解析：同第17題，leave表示“遺忘，落下”，可用于leavesth.+地點(diǎn)，根據(jù)yesterday用過去式left。選B。68.Weshouldstop______andlistentotheteacher.A.talkB.talkingC.totalkD.talked答案：B解析：stopdoingsth.表示“停止做某事”；stoptodosth.表示“停下來去做另一件事”。根據(jù)句意“我們應(yīng)該停止說話，聽老師講”，選B。69.Thegirl______issingingonthestageisverybeautiful.A.whoB.whichC.whoseD.whom答案：A解析：先行詞是thegirl指人，在從句中作主語，用who引導(dǎo)。which指物；whose表示所屬關(guān)系；whom在從句中作賓語。選A。70.HewillgotoBeijing______itdoesn'traintomorrow.A.ifB.unlessC.thoughD.until答案：A解析：if表示“如果”，引導(dǎo)條件狀語從句；unless表示“除非，如果不”；though表示“雖然，盡管”；until表示“直到……才……”。根據(jù)句意“如果明天不下雨他將去北京”，選A。71.Thecaketastes______.Iwanttohaveanotherone.A.wellB.badlyC.goodD.beautifully答案：C解析：taste是感官動(dòng)詞，后接形容詞作表語。well作形容詞時(shí)表示“身體好”；badly是副詞；beautifully是副詞；good是形容詞“好吃的”。選C。72.—______isyourmother?—Sheisanurse.A.WhatB.WhoC.WhereD.How答案：A解析：根據(jù)答語“她是一名護(hù)士”可知，問句是詢問職業(yè)，用what。who詢問人是誰；where詢問地點(diǎn)；how詢問方式或身體狀況。選A。73.Theriveris______polluted______wecan'tdrinkthewater.A.so;thatB.such;thatC.too;toD.enough;to答案：A解析：同前面相關(guān)題目，polluted是形容詞，用so...that...引導(dǎo)結(jié)果狀語從句。選A。74.______amazingtheviewis!A.WhatB.HowC.WhatanD.Howan答案：B解析：感嘆句中，中心詞是形容詞amazing，用How+形容詞+主語+謂語！選B。75.Thebook______IlikebestisHarryPotter.A.whichB.whoC.whoseD.whom答案：A解析：先行詞是thebook指物，在從句中作賓語，用which引導(dǎo)。who、whom指人；whose表示所屬關(guān)系。選A。76.—______doyouexercise?—Threetimesaweek.A.HowoftenB.HowmanytimesC.HowlongD.Howfar答案：A解析：根據(jù)答語“一周三次”可知，問句是詢問頻率，用howoften。howmanytimes詢問次數(shù)；howlong詢問時(shí)間段；howfar詢問距離。選A。77.Heis______tallaboy______hecanplaybasketballwell.A.so;thatB.such;thatC.too;toD.enough;to答案：A解析：so...that...結(jié)構(gòu)中，so可以和形容詞+a/an+可數(shù)名詞單數(shù)連用，本題tallaboy符合此結(jié)構(gòu)，引導(dǎo)結(jié)果狀語從句。選A。78.______wonderfulperformancetheygave!A.WhatB.HowC.WhataD.Howa答案：C解析：感嘆句中，中心詞是可數(shù)名詞單數(shù)performance，用Whata+形容詞+可數(shù)名詞單數(shù)+其他！選C。79.Thewoman______sonisadoctorisveryproud.A.whoseB.whoC.whichD.whom答案：A解析：先行詞是thewoman指人，在從句中作定語，“女人的兒子”，用whose引導(dǎo)。who、whom在從句中作主語或賓語；which指物。選A。80.—______willthemeetingstart?—Inhalfanhour.A.HowlongB.HowoftenC.HowfarD.Howsoon答案：D解析：根據(jù)答語“半小時(shí)后”可知，問句是詢問將來的時(shí)間，用howsoon。howlong詢問時(shí)間段；howoften詢問頻率；howfar詢問距離。選D。81.Weshouldmakeourclassroom______.A.cleanB.cleanedC.cleaningD.toclean答案：A解析：make+賓語+形容詞，表示“使……處于某種狀態(tài)”，clean是形容詞。選A。82.Theman______Isawinthepictureismygrandfather.A.whoB.whichC.whoseD.whom答案：D解析：先行詞是theman指人，在從句中作賓語，用whom引導(dǎo)。who在從句中作主語；which指物；whose表示所屬關(guān)系。選D。83.Themathproblemis______hard______Ican'tworkitout.A.so;thatB.such;thatC.too;toD.enough;to答案：A解析：同前面相關(guān)題目，hard是形容詞，用so...that...引導(dǎo)結(jié)果狀語從句。選A。84.______beautifulflowerstheyare!A.WhatB.HowC.WhataD.Howa答案：A解析：感嘆句中，flowers是可數(shù)名詞復(fù)數(shù)，用What+形容詞+可數(shù)名詞復(fù)數(shù)+其他！選A。85.Thebuilding______wasbuiltlastmonthisverymodern.A.whichB.whoC.whoseD.whom答案：A解析：先行詞是thebuilding指物，在從句中作主語，用which引導(dǎo)。who、whom指人；whose表示所屬關(guān)系。選A。86.—______isyourfavoritesubject?—English.A.WhatB.WhoC.WhereD.How答案：A解析：根據(jù)答語“英語”可知，問句是詢問事物，用what。who詢問人是誰；where詢問地點(diǎn)；how詢問方式或程度。選A。87.She______herhomeworkwhenhermothercamein.A.didB.wasdoingC.hasdoneD.willdo答案：B解析：根據(jù)whenhermothercamein可知，主句用過去進(jìn)行時(shí)，表示過去某個(gè)時(shí)間正在做某事。A是一般過去時(shí)；C是現(xiàn)在完成時(shí)；D是一般將來時(shí)。選B。88.Weshouldpayattention______ourpronunciation.A.toB.forC.withD.at答案：A解析：payattentionto是固定搭配，表示“注意……”。選A。89.Theboy______issittinginthefrontrowisverysmart.A.whoB.whichC.whoseD.whom答案：A解析：先行詞是theboy指人，在從句中作主語，用who引導(dǎo)。which指物；whose表示所屬關(guān)系；whom在從句中作賓語。選A。90.Hedidn'tgototheparty______hehadalotofworktodo.A.becauseB.ifC.thoughD.until答案：A解析：根據(jù)前后句邏輯關(guān)系，“他沒去參加派對(duì)是因?yàn)樗泻芏喙ぷ饕觥?，用b