是讲练比例问题。复习容易形成满堂灌或大撒手,这样都不利于学生学懂会用。每堂课都要精讲精练,合理分配好讲练时间。
、要求全体教师精备、精讲、精选、精练、精批、精评,把握好教学各个环节,从细节和过程中出质量、增效益。
详细目录:
Lesson00新概念2册导学课[94.71M]
新概念2册导学课.mp4[94.71M]
Lesson01Aprivateconversation[233.77M]
Lesson1单词讲解.mp4[50.30M]
Lesson1课文语法讲解:简单句.mp4[114.09M]
Lesson1知识拓展:简单陈述句分类.mp4[69.38M]
Lesson02Breakfastorlunch?[149.89M]
Lesson2单词讲解.mp4[28.45M]
Lesson2课文语法讲解:现在进行时,一般现在时,感叹句.mp4[100.11M]
Lesson2知识拓展:现在进行时vs一般现在时.mp4[21.33M]
Lesson03Pleasesendmeacard[132.96M]
Lesson3单词讲解.mp4[32.66M]
Lesson3课文语法讲解:一般过去时,主谓双宾.mp4[45.80M]
Lesson3知识拓展:一般过去时,主谓双宾练习.mp4[54.50M]
Lesson04Anexcitingtrip[140.42M]
Lesson4单词讲解.mp4[27.06M]
Lesson4课文语法讲解:现在完成时,同位语.mp4[71.60M]
Lesson4知识拓展:动词的过去式和过去分词.mp4[41.76M]
Lesson05Nowrongnumbers[161.68M]
Lesson5单词讲解.mp4[22.11M]
Lesson5课文语法讲解:现在完成时vs一般过去时.mp4[60.82M]
Lesson5知识拓展:现在完成时.mp4[78.74M]
Lesson06PercyButtons[125.53M]
Lesson6单词讲解.mp4[18.83M]
Lesson6课文语法讲解:冠词.mp4[77.12M]
Lesson6知识拓展:短语动词putlookknock.mp4[29.58M]
Lesson07Toolate[168.58M]
Lesson7单词讲解.mp4[26.20M]
Lesson7课文语法讲解:过去进行时,过去将来时,陈述句变宾语从句.mp4[109.75M]
Lesson7知识拓展:过去进行时,whenwhileas.mp4[32.63M]
Lesson08Thebestandtheworst[102.32M]
Lesson8单词讲解.mp4[13.50M]
Lesson8课文语法讲解:形容词副词的用法,形容词副词的比较级和最高级.mp4[60.24M]
Lesson8知识拓展:不规则变化的比较级和最高级.mp4[28.58M]
Lesson09Acoldwelcome[107.24M]
Lesson9单词讲解.mp4[25.71M]
Lesson9课文语法讲解:表示时间的介词.mp4[67.93M]
Lesson9知识拓展:表示时间的介词.mp4[13.59M]
Lesson10Notforjazz[170.78M]
Lesson10单词讲解.mp4[28.81M]
Lesson10课文语法讲解:被动语态.mp4[98.99M]
Lesson10知识拓展:双重所有格.mp4[42.98M]
Lesson11Onegoodturndeservesanother[75.49M]
Lesson11单词讲解.mp4[17.57M]
Lesson11课文语法讲解:复习时态.mp4[39.91M]
Lesson11知识拓展:复习时态.mp4[18.01M]
Lesson12Goodbyeandgoodluck[131.95M]
Lesson12单词讲解.mp4[27.56M]
Lesson12课文语法讲解:一般将来时,非延续性动词+一段时间.mp4[71.69M]
Lesson12知识拓展:be动词搭配的词组.mp4[32.71M]
Lesson13TheGreenwoodBoys[88.80M]
Lesson13单词讲解.mp4[15.85M]
Lesson13课文语法讲解:将来进行时.mp4[50.89M]
Lesson13知识拓展:present.mp4[22.07M]
Lesson14DoyouspeakEnglish?[116.85M]
Lesson14单词讲解.mp4[18.46M]
Lesson14课文语法讲解:过去完成时,过去完成时与一般过去时的搭配使用.mp4[72.86M]
Lesson14知识拓展:过去完成时vs现在完成时,过去完成时vs一般过去时vs过去将来时.mp4[25.54M]
Lesson15Goodnews[87.09M]
Lesson15单词讲解.mp4[16.86M]
Lesson15课文语法讲解:直接引语变间接引语.mp4[49.81M]
Lesson15知识拓展:直接引语变间接引语练习.mp4[20.43M]
Lesson16Apoliterequest[145.33M]
Lesson16单词讲解.mp4[18.48M]
Lesson16课文语法讲解:if条件状语从句(真实条件句).mp4[98.69M]
Lesson16知识拓展:if条件状语从句(真实条件句假设将来).mp4[28.15M]
Lesson17Alwaysyoung[119.95M]
Lesson17单词讲解.mp4[11.98M]
Lesson17课文语法讲解:情态动词,must,haveto.mp4[76.75M]
Lesson17知识拓展:must.mp4[31.23M]
Lesson18Heoftendoesthis![86.34M]
Lesson18单词讲解.mp4[8.74M]
Lesson18课文语法讲解:have的用法.mp4[65.60M]
Lesson18知识拓展:短语动词give.mp4[11.99M]
Lesson19Soldout[78.82M]
Lesson19单词讲解.mp4[11.14M]
Lesson19课文语法讲解:情态动词maycan.mp4[50.77M]
Lesson19知识拓展:情态动词练习.mp4[16.92M]
Lesson20Onemaninaboat[90.35M]
Lesson20单词讲解.mp4[12.70M]
Lesson20课文语法讲解:doing动名词.mp4[44.36M]
Lesson20知识拓展:介词+doing动名词改写句子.mp4[33.28M]
Lesson21Madornot?[137.89M]
Lesson21单词讲解.mp4[17.42M]
Lesson21课文语法讲解:过去完成时.mp4[65.78M]
Lesson21知识拓展:主动语态vs被动语态.mp4[54.69M]
Lesson22Aglassenvelope[111.37M]
Lesson22单词讲解.mp4[25.84M]
Lesson22课文语法讲解:修饰比较级.mp4[36.72M]
Lesson22知识拓展:后面可接offrominon的动词.mp4[48.80M]
Lesson23Anewhouse[48.40M]
Lesson23单词讲解.mp4[7.75M]
Lesson23课文语法讲解:复习.mp4[25.64M]
Lesson23知识拓展:Therebe句型.mp4[15.00M]
Lesson24Itcouldbeworse[63.26M]
Lesson24单词讲解.mp4[17.91M]
Lesson24课文语法讲解:复习.mp4[25.22M]
Lesson24知识拓展:复习词词组用法.mp4[20.12M]
Lesson25DotheEnglishspeakEnglish?[169.55M]
Lesson25单词讲解.mp4[12.68M]
Lesson25课文语法讲解:并列句.mp4[113.36M]
Lesson25知识拓展:并列句.mp4[43.51M]
Lesson26Thebestartcritics[133.03M]
Lesson26单词讲解.mp4[20.38M]
Lesson26课文语法讲解:宾语从句.mp4[98.59M]
Lesson26知识拓展:引号.mp4[14.06M]
Lesson27Awetnight[90.67M]
Lesson27单词讲解.mp4[26.81M]
Lesson27课文语法讲解:复习一般过去时.mp4[34.85M]
Lesson27知识拓展:短语动词put.mp4[29.01M]
Lesson28Noparking[192.95M]
Lesson28单词讲解.mp4[15.75M]
Lesson28课文语法讲解:定语从句,复习现在完成时和宾语从句.mp4[156.76M]
Lesson28知识拓展:定语从句.mp4[20.44M]
Lesson29Taxi![110.73M]
Lesson29单词讲解.mp4[20.64M]
Lesson29课文语法讲解:复习现在完成时,表语从句.mp4[65.34M]
Lesson29知识拓展:现在完成时的常用搭配.mp4[24.75M]
Lesson30Footballorpolo?[82.64M]
Lesson30单词讲解.mp4[18.95M]
Lesson30课文语法讲解:冠词.mp4[52.63M]
Lesson30知识拓展:someany.mp4[11.06M]
Lesson31Successstory[83.30M]
Lesson31单词讲解.mp4[17.87M]
Lesson31课文语法讲解:复习一般过去时,过去进行时.mp4[38.84M]
Lesson31知识拓展:it作形式主语,不定式做主语.mp4[26.59M]
Lesson32Shoppingmadeeady[84.69M]
Lesson32单词讲解.mp4[11.36M]
Lesson32课文语法讲解:形容词副词原级比较.mp4[52.62M]
Lesson32知识拓展:形容词副词的原级比较.mp4[20.71M]
Lesson33Outofthedarkness[104.51M]
Lesson33单词讲解.mp4[29.26M]
Lesson33课文语法讲解:表示地点的介词.mp4[52.65M]
Lesson33知识拓展:表示地点的介词.mp4[22.61M]
Lesson34Quickwork[58.92M]
Lesson34单词讲解.mp4[6.49M]
Lesson34课文语法讲解:复习被动语态.mp4[41.17M]
Lesson34知识拓展:短语动词call.mp4[11.26M]
Lesson35Stopthief![78.23M]
Lesson35单词讲解.mp4[22.06M]
Lesson35课文语法讲解:复习.mp4[37.39M]
Lesson35知识拓展:so…that…和such…that….mp4[18.78M]
Lesson36AcrosstheChannel[131.64M]
Lesson36单词讲解.mp4[15.72M]
Lesson36课文语法讲解:表示将来的几种方式.mp4[62.81M]
Lesson36知识拓展:非限定性定语从句.mp4[53.11M]
Lesson37TheOlympicGames[102.51M]
Lesson37单词讲解.mp4[25.35M]
Lesson37课文语法讲解:将来完成时,复习willbedone、willbedoing.mp4[56.26M]
Lesson37知识拓展:总结完成时态.mp4[20.90M]
Lesson38Everythingexpecttheweather[139.21M]
Lesson38单词讲解.mp4[20.72M]
Lesson38课文语法讲解:过去完成时vs一般过去时.mp4[73.64M]
Lesson38知识拓展:分析主谓.mp4[44.85M]
Lesson39AmIallright?[124.98M]
Lesson39单词讲解.mp4[22.24M]
Lesson39课文语法讲解:复习直接引语变间接引语.mp4[63.27M]
Lesson39知识拓展:直接引语变间接引语练习.mp4[39.48M]
Lesson40Foodandtalk[121.72M]
Lesson40单词讲解.mp4[15.73M]
Lesson40课文语法讲解:if虚拟条件句(虚拟语气).mp4[91.69M]
Lesson40知识拓展:短语动词makedo.mp4[14.30M]
Lesson41Doyoucallthatahat?[115.18M]
Lesson41单词讲解.mp4[10.24M]
Lesson41课文语法讲解:need.mp4[82.04M]
Lesson41知识拓展:mustn’tneedn’t.mp4[22.90M]
Lesson42Notverymusical[111.65M]
Lesson42单词讲解.mp4[21.50M]
Lesson42课文语法讲解:复习have的用法.mp4[74.31M]
Lesson42知识拓展:havea+n.=对应的v..mp4[15.85M]
Lesson43OvertheSouthPole[141.54M]
Lesson43单词讲解.mp4[36.86M]
Lesson43课文语法讲解:canbeableto,主语从句.mp4[92.94M]
Lesson43知识拓展:at介词短语.mp4[11.74M]
Lesson44Throughtheforest[130.46M]
Lesson44单词讲解.mp4[21.14M]
Lesson44课文语法讲解:复习doing动名词.mp4[54.00M]
Lesson44知识拓展:doing动名词的用法.mp4[55.32M]
Lesson45Aclearconscience[71.58M]
Lesson45单词讲解.mp4[10.92M]
Lesson45课文语法讲解:复习被动语态.mp4[43.80M]
Lesson45知识拓展:被动语态改写练习.mp4[16.87M]
Lesson46Expensiveanduncomfortable[183.48M]
Lesson46单词讲解.mp4[38.68M]
Lesson46课文语法讲解:同位语从句,介词后的宾语从句,beingdone.mp4[94.33M]
Lesson46知识拓展:toatforwith用法搭配.mp4[50.47M]
Lesson47Athirstyghost[93.71M]
Lesson47单词讲解.mp4[24.92M]
Lesson47课文语法讲解:复习.mp4[37.08M]
Lesson47知识拓展:梳理知识点(按句子分类).mp4[31.71M]
Lesson48Didyouwanttotellmesomething?[80.76M]
Lesson48单词讲解.mp4[12.28M]
Lesson48课文语法讲解:复习.mp4[47.29M]
Lesson48知识拓展:测试.mp4[21.19M]
Lesson49Theendofadream[181.79M]
Lesson49单词讲解.mp4[35.07M]
Lesson49课文语法讲解:并列句vs.(主从)复合句;状语从句的省略.mp4[120.67M]
Lesson49知识拓展:合并句子.mp4[26.05M]
Lesson50Takenforaride[108.75M]
Lesson50单词讲解.mp4[8.73M]
Lesson50课文语法讲解:副词doingdone.todo作定语状语;定语从句的省略.mp4[89.07M]
Lesson50知识拓展:易混淆词.mp4[10.95M]
Lesson51Rewardforvirtue[128.85M]
Lesson51单词讲解.mp4[36.68M]
Lesson51课文语法讲解:复习一般过去时.mp4[64.02M]
Lesson51知识拓展:易混淆词.mp4[28.15M]
Lesson52Aprettycarpet[86.92M]
Lesson52单词讲解.mp4[9.47M]
Lesson52课文语法讲解:现在完成时;现在完成进行时.mp4[54.18M]
Lesson52知识拓展:句子分析.mp4[23.27M]
Lesson53Hotsnake[97.41M]
Lesson53单词讲解.mp4[22.29M]
Lesson53课文语法讲解:一般过去时现在完成时现在完成进行时.mp4[58.44M]
Lesson53知识拓展:易混淆词.mp4[16.68M]
Lesson54Stickyfingers[76.02M]
Lesson54单词讲解.mp4[20.94M]
Lesson54课文语法讲解.mp4[36.46M]
Lesson54知识拓展:定冠词the的用法.mp4[18.62M]
Lesson55Notagoldmine[274.73M]
Lesson55单词讲解.mp4[38.30M]
Lesson55课文语法讲解:非谓语动词.mp4[197.83M]
Lesson55知识拓展:写作拓展;易混淆词组.mp4[38.60M]
Lesson56Fasterthansound![122.23M]
Lesson56单词讲解.mp4[23.19M]
Lesson56课文语法讲解:复习形容词副词的比较级最高级;其他表示比较的词词组.mp4[75.61M]
Lesson56知识拓展:易混淆词.mp4[23.43M]
Lesson57CanIhelpyou,madam?[107.90M]
Lesson57单词讲解.mp4[12.85M]
Lesson57课文语法讲解:介词.mp4[80.91M]
Lesson57知识拓展:使役动词.mp4[14.13M]
Lesson58Ablessingindisguise?[234.87M]
Lesson58单词讲解.mp4[42.57M]
Lesson58课文语法讲解:复习被动语态;强调句.mp4[135.10M]
Lesson58知识拓展:双宾语动词的被动语态;被动语态在写作中的应用.mp4[57.21M]
Lesson59Inorout?[93.39M]
Lesson59单词讲解.mp4[14.29M]
Lesson59课文语法讲解:复习课;表示目的的几种方式.mp4[52.24M]
Lesson59知识拓展:表示目的的几种方式.mp4[26.86M]
Lesson60Thefuture[99.97M]
Lesson60单词讲解.mp4[15.71M]
Lesson60课文语法讲解:复习表示将来的各种时态.mp4[54.96M]
Lesson60知识拓展:复习表示将来的各种时态.mp4[29.29M]
Lesson61TroublewiththeHubble[162.43M]
Lesson61单词讲解.mp4[34.49M]
Lesson61课文语法讲解:将来进行时;将来完成时;将来完成进行时.mp4[109.59M]
Lesson61知识拓展:将来完成时;将来完成进行时.mp4[18.35M]
Lesson62Afterthefire[122.75M]
Lesson62单词讲解.mp4[34.85M]
Lesson62课文语法讲解:过去完成时;过去完成进行时.mp4[76.43M]
Lesson62知识拓展:复习表示过去的时态.mp4[11.46M]
Lesson63Shewasnotamused[128.77M]
Lesson63单词讲解.mp4[19.98M]
Lesson63课文语法讲解:复习课.mp4[53.76M]
Lesson63知识拓展:直接引语变间接引语.mp4[55.04M]
Lesson64TheChannelTunnel[200.91M]
Lesson64单词讲解.mp4[26.11M]
Lesson64课文语法讲解:if条件句;宾语从句的虚拟.mp4[146.17M]
Lesson64知识拓展:if虚拟条件句(假设将来).mp4[28.64M]
Lesson65Jumboversusthepolice[113.49M]
Lesson65单词讲解.mp4[24.62M]
Lesson65课文语法讲解:复习musthaveto;情态动词的虚拟;复习非谓语动词.mp4[80.64M]
Lesson65知识拓展:短语动词let.mp4[8.23M]
Lesson66Sweetashoney![130.93M]
Lesson66单词讲解.mp4[29.81M]
Lesson66课文语法讲解:have使役动词.mp4[81.46M]
Lesson66知识拓展:使役动词的用法(havesth.done).mp4[19.67M]
Lesson67Volcanoes[87.16M]
Lesson67单词讲解.mp4[17.43M]
Lesson67课文语法讲解:复习canbeableto;managedtodo.mp4[54.68M]
Lesson67知识拓展:区分say和tell.mp4[15.05M]
Lesson68Persistent[168.87M]
Lesson68单词讲解.mp4[22.73M]
Lesson68课文语法讲解:非谓语动词doing.mp4[118.64M]
Lesson68知识拓展:反意疑问句.mp4[27.50M]
Lesson69Butnotmurder![119.28M]
Lesson69单词讲解.mp4[22.78M]
Lesson69课文语法讲解:复习被动语态;非谓语动词的变体:havingbeendone.mp4[58.87M]
Lesson69知识拓展:bedonevsdone;非谓语动词表示被动;非谓语动词vs谓语动词时间关系.mp4[37.63M]
Lesson70Redfordanger[132.52M]
Lesson70单词讲解.mp4[27.77M]
Lesson70课文语法讲解:形容词与介词搭配的词组.mp4[54.10M]
Lesson70知识拓展:形容词与介词搭配的词组.mp4[50.64M]
Lesson71Afamousclock[135.45M]
Lesson71单词讲解.mp4[28.78M]
Lesson71课文语法讲解:复习课.mp4[93.57M]
Lesson71知识拓展:hang单词讲解.mp4[13.11M]
Lesson72AcarcalledBluebird[135.13M]
Lesson72单词讲解.mp4[16.44M]
Lesson72课文语法讲解:复习课.mp4[76.93M]
Lesson72知识拓展:内容回顾.mp4[41.75M]
Lesson73Therecord-holder[136.58M]
Lesson73单词讲解.mp4[18.61M]
Lesson73课文语法讲解:复习简单句并列句复合句.mp4[93.08M]
Lesson73知识拓展:如何连接句子?.mp4[24.89M]
Lesson74Outofthelimelight[75.08M]
Lesson74单词讲解.mp4[9.28M]
Lesson74课文语法讲解:复习现在进行时一般现在时.mp4[50.39M]
Lesson74知识拓展:动词get的词组搭配.mp4[15.41M]
Lesson75SOS呼救信号[103.75M]
Lesson75单词讲解.mp4[8.05M]
Lesson75课文语法讲解:复习一般过去时.mp4[63.86M]
Lesson75知识拓展:表示“变得”.mp4[31.84M]
Lesson76AprilFool’sDay[130.25M]
Lesson76单词讲解.mp4[26.59M]
Lesson76课文语法讲解:复习现在完成时现在完成进行时.mp4[85.02M]
Lesson76知识拓展:区分易混淆词.mp4[18.64M]
Lesson77Asuccessfuloperation[139.91M]
Lesson77单词讲解.mp4[27.85M]
Lesson77课文语法讲解:一般过去时现在完成时现在完成进行时.mp4[92.40M]
Lesson77知识拓展:区分agosincefor.mp4[19.66M]
Lesson78Thelastone?[88.41M]
Lesson78单词讲解.mp4[13.02M]
Lesson78课文语法讲解:复习冠词.mp4[65.05M]
Lesson78知识拓展:动词keep搭配的词组.mp4[10.34M]
Lesson79Byair[123.44M]
Lesson79单词讲解.mp4[11.31M]
Lesson79课文语法讲解:used短语倒装句(部分倒装)复习一般过去时过去进行时.mp4[97.84M]
Lesson79知识拓展:take搭配词组.mp4[14.28M]
Lesson80TheCrystalPalace[76.59M]
Lesson80单词讲解.mp4[15.93M]
Lesson80课文语法讲解:复习形容词副词的比较.mp4[45.44M]
Lesson80知识拓展:介词on的搭配.mp4[15.22M]
Lesson81Escape[108.85M]
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Lesson81课文语法讲解:复习介词.mp4[32.69M]
Lesson81知识拓展:复习介词.mp4[53.71M]
Lesson82Monsterotfish?[73.91M]
Lesson82单词讲解.mp4[9.28M]
Lesson82课文语法讲解:复习被动语态.mp4[45.84M]
Lesson82知识拓展:非谓语动词todotohavedone.mp4[18.80M]
Lesson83Aftertheelections[89.42M]
Lesson83单词讲解.mp4[28.38M]
Lesson83课文语法讲解:复习课.mp4[48.54M]
Lesson83知识拓展:区分tempermood.mp4[12.50M]
Lesson84Onstrike[67.41M]
Lesson84单词讲解.mp4[12.07M]
Lesson84课文语法讲解:复习一般将来时.mp4[32.61M]
Lesson84知识拓展:形式宾语it真正的宾语todo或从句.mp4[22.73M]
Lesson85Nevertoooldtolearn[140.00M]
Lesson85单词讲解.mp4[26.71M]
Lesson85课文语法讲解:复习一般将来时将来进行时将来完成进行时.mp4[76.38M]
Lesson85知识拓展:too…to.mp4[36.91M]
Lesson86Outofcontrol[91.07M]
Lesson86单词讲解.mp4[11.30M]
Lesson86课文语法讲解:复习过去完成时过去完成进行时.mp4[45.09M]
Lesson86知识拓展:时态总复习.mp4[34.68M]
Lesson87Aperfectalibi[113.89M]
Lesson87单词讲解.mp4[25.23M]
Lesson87课文语法讲解:复习课;平行结构.mp4[43.49M]
Lesson87知识拓展:平行结构.mp4[45.17M]
Lesson88Trappedinamine[129.23M]
Lesson88单词讲解.mp4[17.52M]
Lesson88课文语法讲解:if条件状语从句.mp4[62.20M]
Lesson88知识拓展:if条件状语从句.mp4[49.51M]
Lesson89Aslipofthetongue[183.13M]
Lesson89单词讲解.mp4[19.54M]
Lesson89课文语法讲解:复习情态动词或词组;复习三大从句;分裂结构.mp4[109.72M]
Lesson89知识拓展:情态动词;分裂结构.mp4[53.87M]
Lesson90What’sforsupper[162.30M]
Lesson90单词讲解.mp4[15.57M]
Lesson90课文语法讲解:复习have;it形式主语todo作真正主语;复习非限定性定语从句;标点:冒号分号.mp4[78.99M]
Lesson90知识拓展:主语的变化.mp4[67.74M]
Lesson91Threemeninabasket[66.51M]
Lesson91单词讲解.mp4[10.26M]
Lesson91课文语法讲解:复习canbeabletomanagetodo.mp4[41.38M]
Lesson91知识拓展:make搭配的词组.mp4[14.87M]
Lesson92Askingfortrouble[145.46M]
Lesson92单词讲解.mp4[9.56M]
Lesson92课文语法讲解:复习doing的用法;否定前移.mp4[108.42M]
Lesson92知识拓展:So+助动词+I.mp4[27.48M]
Lesson93Anoblegift[139.59M]
Lesson93单词讲解.mp4[18.20M]
Lesson93课文语法讲解:复习表示被动.mp4[88.18M]
Lesson93知识拓展:谓语动词的四种变化.mp4[33.21M]
Lesson94Futurechampions[120.56M]
Lesson94单词讲解.mp4[17.01M]
Lesson94课文语法讲解:复习课.mp4[66.54M]
Lesson94知识拓展:五步阅读法.mp4[37.01M]
Lesson95Afantasy[114.34M]
Lesson95单词讲解.mp4[14.36M]
Lesson95课文语法讲解:复习课.mp4[28.07M]
Lesson95知识拓展:状语从句.mp4[71.90M]
Lesson96Thedeadreturn[135.61M]
Lesson96知识拓展.mp4[12.88M]
Lesson96单词讲解.mp4[6.12M]
Lesson96课文语法讲解:分析长难句.mp4[99.80M]
lesson96知识拓展:不规则变化的动词.mp4[16.81M]
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