专题12 特殊句式(高考押题)(解析版)

专题12 强调句型等特殊句式易错题【01】强调易错题【02】倒装易错题【03】省略易错题【04】其他01强调【2016·天津】You are waiting at a wrong place. It is at the hotel ____ the coach picks up tourists.A. whoB. whichC. whereD. that【警示】本题容易出错的主要原因是句子结构分析不清楚。

【问诊】句意：你在一个错误的地方等待。

大客车是在旅店接送游客的。

使用强调句，结构是：It is/was+强调部分+that+其余部分，如果强调部分是人，也可以用who，这句话强调的是地点状语at the hotel。

故选D。

【答案】D【叮嘱】强调句是高考考查的难点，在理解强调句时，学生要注意以下6点：1. 被强调部分是人时，连接词that/who都可以；非人时，用that；2. 强调句的一般疑问句结构：Is/Was＋it＋被强调的部分＋that/who＋其他部分？；3. 强调句的特殊疑问句结构：特殊疑问词＋is/was＋it＋that＋其他部分？；·When was it that he made up his mind to take this course?他是什么时候决定选修这门课程的？4. 含not ... until ...的强调句型：It is/was not until＋...＋that＋其他部分；5. 把句子中的“It is/was ... that/who”去掉之后，句子依然成立，就是强调句，否则就不是强调句；6. 如果需要强调谓语，应用助动词do、does或did。

The family did manage to send him to a technical school.家里的确设法让他上了技术学校。

1.(2015·湖南)It was when we were returning home I realized what a good feeling it was to have helped someone in trouble.【答案】that【解析】句意：当我们回家的时候，我意识到帮助了有困难的人感觉真好。

2０18年高考英语热点题型和提分秘籍专题１2 特殊句式（含解析）编辑整理：尊敬的读者朋友们：这里是精品文档编辑中心,本文档内容是由我和我的同事精心编辑整理后发布的,发布之前我们对文中内容进行仔细校对,但是难免会有疏漏的地方,但是任然希望（201８年高考英语热点题型和提分秘籍专题12 特殊句式(含解析))的内容能够给您的工作和学习带来便利。

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专题1２特殊句式特殊句式比较杂乱,掌握起来有一定的难度。

其中倒装句是高考的热点,强调句是高考的难点。

同时，祈使句与陈述句的区别、省略与替代的合理运用也是高考考查的重点项目。

近三年的高考题更加注重考查知识之间的交叉现象,如在考查强调句的同时考查定语从句，把省略、强调句与时间状语从句、地点状语从句的考查等融合在一起，考查考生综合把握语言知识的能力。

热点题型一倒装句例1、In fｒoｎｔof the farｍhｏｕse __＿__＿__ (lｉe) a ｐeasａｎt boｙ.【答案】lａy【提分秘籍】1全部倒装(1）表示方式或方位的副词或介词短语，如hｅｒe, tｈeｒe, ｎow, tｈｅｎ, ｕp，down，in，away，off， out, on ｔｈe walｌ， under the tree等置于句首，且主语是名词时。

①John oｐened tｈe doｏr.Thｅrｅstood a gｉrｌｈe ｈaｄ nevｅｒ seen before.约翰打开门，那儿站着一位他从来没见过的女孩。

②Ｊｕst in front of the bｕs liｅs an injured ｍan, ａｌl covｅrｅd withblooｄ。

公共汽车的前面躺着一个受伤的人,浑身是血.(2)代词such放在句首，且在句中作表语时。

入舵市安恙阳光实验学校专题12 特殊句式〔即学巩固〕Ⅰ.把下列句子变成倒装句 580828721．We don't know its value until we lose health.Not until we lose health do we know its value.2．I will never forget you as long as I live.Never will I forget you as long as I live.3．I had no sooner gone out than it began to rain.No sooner had I gone out than it began to rain.4．We can improve our English only in this way.Only in this way can we improve our English.5．We have so much homework to do that we have no time to take a rest.So much homework do we have to do that we have no time to take a rest.6．If it had not been for your help, I would have been late for school.Had it not been for your help, I would have been late for school.Ⅱ.用括号中所给词的正确形式填空 580828731．Either you or the headmaster is (be) to hand out the prizes to those gifted students at the meeting.2．The teacher, with 6 girls and 8 boys of her class, was isiting (visit) a museum when the earthquake struck.3．Two fifths of the land in that district is (be) covered with trees and grass.4．Nowadays, a large number of women, especially those from the countryside, work (work) in the clothing industry.5．With more forests being destroyed, huge quantities of good earth are eing ashed (wash) away each year.6．He is the only one of the students who has een (be) the winner of scholarship for three years.7．Every possible means has been used (use)to prevent the air pollution, but the sky is still not clear.8．When and where to go for the on－salary holiday has not been decided (not, decide) yet.9．She has set a new record, that is, the sales of her latest book have reached (reach) 50 million.10．Professor Smith, along with his assistants, is working (work) on the project day and night to meet the deadline.Ⅲ.根据句意与特殊句式，填入适当的词，使句意完整，然后熟读句子580828741. Only by working hard can you catch up with the other students in your class.解析：句意：只有通过努力学习，你才能赶上班里其他的同学。

专题十二文言文阅读之概括分析目录：2023年真题展现真题考查解读近年真题对比命题规律解密名校模拟探源高考必备知识（2023·全国乙卷）阅读下面的文字，完成下面小题。

昔者晋公子重耳出亡，过于曹，曹君袒裼而观之，釐负羁与叔瞻侍于前。

叔瞻谓曹君曰：“臣观晋公子，非常人也，君遇之无礼彼若有时反国而起兵即恐为曹伤君不如杀之。

”曹君弗听。

釐负羁归而不乐，其妻问之曰：“公从外来而有不乐之色，何也？”负羁曰：“吾闻之，有福不及，祸来连我。

今日吾君召晋公子，其遇之无礼，我与在前，吾是以不乐。

”其妻曰：“吾观晋公子，万乘之主也；其左右从者，万乘之相也。

今穷．而出亡过于曹，曹遇之无礼，此若反国，必诛无礼，则曹其首也。

子奚不先自贰焉。

”负羁曰：“诺。

”盛黄金于壶，充之以餐，加璧其上，夜令人遗公子，公子见使者，再拜，受其餐而辞其璧，公子自曹入楚，自楚入秦，入秦三年，秦穆公召群臣而谋曰：“昔者晋献公与寡人交，诸侯莫弗闻。

献公不幸离群臣，出入．．也。

如是弗定，则非与人．．十年矣。

嗣子不善，吾恐此将仿今其宗庙不被阴而社稷不血食交之道，吾欲辅重耳而入之晋，何如？”群臣皆曰：“善。

”公因起卒，革车五百乘，畴骑二千，步卒五万，辅重耳入之于晋，立为晋君。

重耳即位三年，举兵而伐曹矣，因令人告曹君曰：“悬叔瞻而出之，我且杀而以为大戮。

”又令人告釐负羁曰：“军旅薄城，吾知子不违也，其表子之间，寡人将以为令，令军勿敢犯。

”曹人闻之，率其亲戚而保釐负羁之闾者七百余家，此礼之所用也。

故曹，小国也，而迫于晋、楚之间，其君之危犹累卵也，而以无礼莅之，此所以绝世．．也。

（节选自《韩非子·十过》）1. 文中画波浪线的部分有三处需要断句，请用铅笔将答题卡上相应位置的答案标号涂黑。

君遇之A无礼B彼若有时C反D国E而起兵F即恐为曾伤G君H不如杀之。

2. 下列对文中加点的词语及相关内容的解说，不正确的一项是（）A. 穷，指困窘、困厄，与《送东阳马生序》中“穷冬烈风”的“穷”意思相同。

专题 12 特别句式一、句填空1． I was in trouble in overcoming my addiction to alcohol，and ________ was my friend Mike.【答案】 so【分析】句意：我在战胜酒方面有困，我的朋友克也是。

依据句意判断，所填的要能表达出后一种状况与前方状况同样一意，故用so，组成“ so＋＋主” 种倒装构，表示“⋯⋯也⋯⋯”。

2． Freddy gave him a job and housing and lent him pocket money while________(train) him.【答案】 training3． It's true ， but I heard some people ________ find their better half through online dating.【答案】 did【分析】句意：是真的，可是我听好多人的确是通网上会找到他更好的另一半。

依据主句I heard 判断， hear 的从句用一般去，而空格后是原形 find ，故空格填助did ，一方面起作用，另一方面与find一同组成一般去。

4． It is one's inner beauty ________ matters.【答案】 that【分析】句意：是人的内在美重要。

所填与句首的It is一同组成句式，被的是表示事物的句子的主，故填that 。

5． It was then ________ I burst into tears because I really needed the moneyat the time.【答案】 that【分析】句意：是在那个时候我忽然哭起来，由于那个时候我的确需要那笔钱。

所填词与句首的It was一同组成重申句，因此应填that 。

在此题中，被重申部分是句子的时间状语。

专题12 特殊句式1．Among the parents ________ a certain doubt as to the necessity of children’s doing so much homework.A. it existedB. who existedC. there existedD. they existed【答案】C【解析】考查there be句型和倒装句。

句意：对于学生们有无做太多作业的必要性，在家长们中还存在必然的疑虑。

为了维持句子平衡或使上下文衔接紧密，有时可将状语或表语置于句首，句中主语和谓语完全倒装。

这里表示“存在”，故用there be句型，there be句型中的be还可以换成其它表示存在的单词，如stand，lie，exist。

故选C项。

2．2．Off the bike ________ and the scene frightened her mother.A. fell the little girlB. did the little girl fillC. the little girl fellD. did fall the little girl【答案】A【解析】考查倒装句。

句意：小女孩从自行车上摔下来，这个场面把她的妈妈下了一跳。

副词away, down, in, off, out, over, round, up等位于句首时，其后用完全倒装语序。

按照题干中的句首Off得知，要用全数倒装。

故选A项。

3．Backward somewhat technologically ________ we are for the moment, we have confidence in our ability to catch up in time.A. asB. ifC. althoughD. because【答案】A4．Backward somewhat technologically ________ we are for the moment, we have confidence in our ability to catch up in time.A. asB. ifC. althoughD. because【答案】A【解析】考查状语从句。

高考英语复习语法知识专题讲解专题十专题十二二 主谓一致语法一致的常考点 and ，both...and...连接两个或两个以上单数名词作主语时，谓语动词用复数形式；但是如果由and 连接的两个名词表示同一概念，兼具身份或匹配出现时，谓语动词用单数形式。

Both Lucy and Lily are twin sisters. Her teacher and her friends are in the sitting-room. The poet and writer has produced many works. Politics and sports don't mix.“the number of...” 作主语时，谓语动词用单数；“a number of...”作主语时，谓语动词用复数 The number of travelers to London has dropped by 100,000.A number of factories have moved out of Beijing.The number of people invited was one hundred, but anumber of them were absent for different reasons.a quantity of 后既可接不可数名词，也可接可数名词复数；谓语动词的单复数取决于of 后名词的数以及其表示的意义。

quantities of 后无论是可数名词还是不可数名词，谓语动词均用复数形式。

A quantity of time has been wasted on the project. ＝Quantities of time have been wasted on the project. 大量的时间被浪费在了这个项目上。

many a, more than one 接单数名词作主语时，谓语动词用单数 each, every, no 所修饰的名词作主语时，即使有and 连接，谓语动词仍用单数。

押天津卷1~15题单项选择之三大从句+并列句+特殊句式+情景交际1.【2023年天津第一次】Recently, scientists have started a debate on _______the computers will “think” like human in half a century.A．where B．whether C．whose D．which【答案】B【详解】考查名词性从句。

句意：最近，科学家们开头就计算机是否会在半个世纪后像人类一样“思考”开放辩论。

A. where哪里；B. whether是否；C. whose谁的；D. which哪一个。

依据句意可知，此处是表示“是否”，用连接代词whether引导宾语从句。

故选B。

2．【2023年天津第一次】— Mike will announce his retirement from professional soccer next week.—________! He’s only 25 and still very fit.A．I don’t mind at all B．I couldn’t agree moreC．You will make it D．You can’t be serious【答案】D【详解】考查情景交际。

句意：—— 迈克将于下周宣布退役。

—— 你不是认真的吧！他只有25岁，现在仍旧很健康。

A. I don’t mind at all我一点也不介意；B. I couldn’t agree more我完全同意；C. You will make it 你会成功的；D. You can’t be serious你不是认真的吧。

依据下文“He’s only 25 and still very fit.”可知对于迈克将于下周宣布退役这个消息不敢置信，故选D。

3.【2023年天津第一次】________our hobbies, the Internet can connect us with others who enjoy the same hobbies, even if they live on the other side of the world.A．However B．WhateverC．Wherever D．Whichever【答案】B【详解】考查状语从句。

专题12 特殊句式考纲展示命题探究考点一强调句基础点1强调句型(1)强调句型的陈述句形式：It is/was＋被强调部分＋that/who＋其他成分。

被强调部分为“人”时可用who/that，被强调部分是“事物”时用that。

It_is I who/that am right.(强调主语)It_was him that/who we met at the school gate.(强调宾语)It_was in the park that Tom lost his watch.(强调状语)特别提醒(1)在强调句型中，要用that作连接词，而不能用which或其他词，且不能省略。

当被强调部分是人，且作主语时，引导词也可用who。

(2)强调主语时，要注意引导词与其谓语的一致性。

It_is our teacher who/that_helps us make great progress.正是我们的老师帮助我们取得了很大的进步。

(3)当被强调部分是主语且为代词时，要用主格形式。

It_was_I_who_put_forward the theory first. 是我最先提出这个理论的。

(2)强调句型的一般疑问句形式：Is/Was it＋被强调部分＋that/who＋其他成分。

Was_it in 1939 that the Second World War broke out?第二次世界大战是在1939年爆发的吗？Is_it Professor Wang who teaches you English?教你们英语的是王教授吗？(3)强调句型的特殊疑问句形式：特殊疑问词＋is/was it that＋其他成分。

Who_was_it_that broke the window?打破窗户的是谁？When_was_it_that you called me yesterday?你昨天给我打电话是什么时候？特别提醒如果由特殊疑问词引导的强调结构在句中作宾语从句时，从句必须使用陈述语序，不可用疑问语序。

解密12特殊句式（强调，倒装，祈使句，感叹句等）考点详解【考点解读】1. 掌握倒装的必备条件及倒装的具体应用。

2. 熟知强调句的基本结构及其疑问句句式、特殊疑问句式，注意其与结构相似的主从复合句的区别。

3. 掌握省略的一些基本原则，在行文中正确地使用省略。

4. 掌握祈使句、感叹句的基本形式及用法。

5. 掌握反意疑问句的构成和用法。

【命题趋势】近两年高考试卷中的语篇型语法填空题对特殊句式的考查很少，但强调句型、倒装句、there be句型等均为高中教学的重点内容，所以在高考备考中，考生仍然需要掌握这部分内容，以便有充分的知识储备和较强的综合能力应对高考。

考向1 倒装倒装是英语中常见的一种语言现象，它具有强调、修饰等作用。

倒装可分为完全倒装和部分倒装。

一、完全倒装完全倒装是指将句子中的谓语动词全部置于主语之前。

此结构通常只用于一般现在时或一般过去时。

常见的结构有：1. There be句型：其中be可换成live, lie, stand, remain, exist, e, go, seem(appear/happen/used)to be等表示＂存在＂意义的词。

☛There entered a strange little man.走进来一个奇怪而身材矮小的人。

☛Once there lived an old fisherman in a village by the sea.从前，海边的一个村子里住着一位老渔夫。

2. 以here, there, off, out, in, up, down, away, now, then, on等表示方向、位置或时间、地点的副词开头的句子，谓语是e, go, be等动词时，并且其主语为名词时，通常使用完全倒装。

☛Now, here goes the story.现在，这个故事是这样的。

☛Then came another question.然后又一个问题被提出来了。

专题十二特殊句式A组2016～2014年各省市高考题（改编）1．(2016·全国Ⅰ，阅读B)When her daughter and son asked her to move to San Antonio to help their children, she politely refused .Only after a year of friendly discussion ________Ms Gaf finally say yes.2．(2016·全国Ⅲ，阅读D)________(positive)an article, the more likely it was to be shared, as Dr.Berger explains in his new book.3．(2016·江苏，34)Not until recently the development of tourists­related activities in the rural areas.4．(2016·天津，13)You are waiting at a wrong place.It is at the hotel the coach picks up tourists.5．(2016·北京，阅读B)“It’s the ocean ________ makes Rockaway so special.” she says.6．(2016· 北京，完形)If that happened, Seppala might fall into the icy water below.He would die, and so ________the sick children of Nome.7．(2016·四川，阅读D)The more fat you take in before bedtime, the ________(great) burden you will put on your body at night.8．(2016·江苏，34)Not until recently________ (他们才鼓励)the development of tourist－related activities related activities in the rural area.9．(2015·天津，3)Only when Lily walked into the office ________________ that she had left the contract at home.10．(2015·湖南，23)Only after talking to two students ________________ that having strong motivation is one of the biggest factors in reaching goals.11．(2015·湖南，21)It was when we were returning home ________________ I realized what a good feeling it was to have helped someone in trouble.12．(2015·湖南，24)Video games can be a poor influence if ________(leave)in the wrong hands.13．(2015·湖南，31)Always ________(keep)in mind that your main task is to get this company running smoothly.14．(2014·大纲，26)________________ the nurses want a pay increase，they want reduced hours as well.15．(2014·陕西，17)No sooner ________________ stepped on the stage than the audience broke into thunderous applause.16．(2014·湖南，29)Only when you can find peace in your heart ________________good relationships with others.17．(2014·北京，24)________________ carefully if any change occurs when doing experiments in the lab.18．(2014·福建，29)It was the culture，rather than the language，________________made it hard for him to adapt to the new environment abroad.19．(2014·重庆，10)—I spent two weeks in London last summer.—Then you must have visited the British Museum during your stay，________________ you?20．(2014·四川，3)Was it because Jack came late for school ________________ Mr.Smith got angry?21．(2014·海南，33)It's not doing the things we like，but liking the things we have to do________________makes life happy.22．(2014·湖南，21)Children，when ________________by their parents，are allowed to enter the stadium.B组2016～2015模拟精选题1．(2016·威海模拟)Opposite our school________(有一个公园), where a lot of people play or take exercise at any time.2．(2016·陕西临潼华清中学模拟)It was not until we had stayed together for a couple of weeks ________ I found we had a lot in common.3．(2016·广州六校联考)________(sit) under the tree was a charming girl aged about seventeen or eighteen.4．(2016·重庆八中质检)Into the dark apartment ________，(大卫走进公寓) who was quite surprised when everyone shouted“Happy birth day！”5．(2015·四川绵阳一诊)Not until I returned ________I realize that a quiet town life was the best for me.6．(2015·临沂一模)It took years of work ________ (reduce) industrial pollution and clean the water.7．(2015·豫东十校期末)It asks you to act like water：to be flexible as well ________ strong.8．(2015·南昌联考)The ________ (hard) you try to beat him，the more likely you will get hit.9．(2015·兰州二模)Go to the village and buy some salt，but pay a fair price for it：neither too much ________ too little.10．(2015·广东揭阳一中、潮州金山中学联考)They will be as difficult and painful ________ holding a hot potato.11．(2015·乌鲁木齐一中月考)He loved the 4th wife the most.He took great care of her and gave her nothing ________ the best.12．(2015·河南洛阳一高月考)And I’d like to know why Chinese people use chopsticks.________ not knives and forks，like Americans?13．(2015·内蒙古师大附中月考)Sometimes hunger hit me so severely ________I regarded dried sweet potato slices as delicious snack.14．(2015·内蒙古包钢一中月考)No.And that’s not all.The bus was one hour late.Worse ________，it picked up passengers on the way to our destination.15．(2015·河北石家庄二中开学考)It’s unnecessary and it’s not important at all.We needn’t care about it.It is one’s inner beauty ________ matters.16．(2015·海南中学月考)Yes，but it is not as easy ________ you imagine.17．(2015·河南洛阳一高月考)Chopsticks may be made of any of the following materials：bamboo，wood，gold，silver，ivory，or plastic，and they may be ________ round or square.18．(2015·河南濮阳市二模)Radio has changed a lot since we were young.It used ________ be the major source of fun for the family.参考答案A组2016～2014年各省市高考题（改编）1．did 考查only＋状语置于句首，句子用部分倒装，所以此处用助动词did。

句式变换长句变短句历年高考真题【2022年高考新高考Ⅰ卷】全国新高考Ⅰ卷适用地区：广东、湖南、湖北、福建、江苏、山东、河北（一）语言文字运用Ⅰ（本题共3小题，11分）阅读下面的文字，完成18~20题。

科学家栾恩杰当年高考时报考的是电机系，因为服从国家安排改学自动控制，从此与国防和航天事业有了①20世纪60年代，栾恩杰到第七机械工业部工作后参与的第一个重大任务就是我国潜地导弹“巨浪一号”的研制，潜地导弹作为秘密武器，在欧美国家是②的国防项目，鲜有资料可供借鉴，在没有国外技术援助、自身又缺乏技术力量的情况下，整个团队按照先在陆上发射台发射、再把导弹装进发射筒以模拟水下发射环境、最后进行潜艇发射的规划开始了“巨浪一号”的研制攻关。

这三步被称为“台、简、艇”，但每一步都失败过。

失败在航天领域的研发过程中是③的。

奕恩杰从导弹研究的技术员到中国探月工程首任总指挥，经历过各种各样的失败，大到火箭里面的特殊装置出现问题，小到一个插头插错了，这些失败意味着什么？意味着多少个日夜的辛苦付之一炬，意味着接下来的工作更加艰苦卓绝，意味着你在世界的航天格局中可能突然之间换了赛道。

奕恩杰认为：失败也是在给我们上课，当问题一一解决的时候，成功就在我们前面。

18.请在文中横线处填入恰当的成语。

（3分）18．参考答案：①不解之缘②秘而不宣（守口如瓶，秘而不露）③在所难免（屡见不鲜司空见惯）★★19.请将文中画波浪线的部分改成几个较短的语句。

可以改变语序、少量增删词语，但不得改变原意。

（4分）整个团队按照先在陆上发射台发射、再把导弹装进发射筒以模拟水下发射环境、最后进行潜艇发射的规划开始了“巨浪一号”的研制攻关。

19【参考答案1】整个团队按照规划开始了巨浪一号的研制攻关：第一步在陆上发射台发射导弹，第二步把导弹装进发射筒以模拟水下发射环境，第三步进行潜艇发射。

【参考答案2】整个团队开始了“巨浪一号”的研制攻关，按照规划，团队先在陆上发射平台发射，再把导弹装进发射筒以模拟水下发射环境，最后进行潜艇发射。

………………………………………………………………………………………………基础组A.单句填空(每小题1.5分，共15分，限时7分钟)1．[2016·衡水二中猜题]Long ago there ________(live) an old couple in the mountain who fed on wild fruits.答案lived[句意：很久以前，在山上住着一对靠野果为生的夫妇。

根据结构考查倒装句中的时态，语境告诉我们应用一般过去时态，故填lived。

]2．[2016·衡水二中一轮检测]Look! From opposite the street________(come) two kids, screaming in panic.答案come[句意：看！两个孩子从街对面过来了，(他们)惊慌地尖叫着。

表示地点的介词短语位于句首，且主语是名词，句子需全部倒装，又因主语是two kids，故用come。

]3．[2016·冀州中学周测]Only then________she realize how serious the situation had been.答案did[句意：只在那时她才意识到形势有多严峻。

考查倒装。

根据“Only＋副词”放在句首要使用部分倒装和时态暗示，可知填did。

]4．[2016·冀州中学热身]It's inner beauty, in my opinion, rather than physical beauty，________matters in the long run.答案that[句意：依我看来，从长远看，是内在美而不是外在美重要。

考查强调句式，去掉It is和空格依然是一个完整的句子，故用that。

]5．[2016·枣强中学周测]The director was fully convinced that this moving story, if________(adapt) for television, would be a hit.答案adapted[句意：导演完全相信，这个感人的故事如果被改编成电视的话，一定会成功。

【上好课】2025年高考一轮复习知识清单配套【练案】专题12语法填空之名词性从句100题解析版（思维导图+考点细目表+五年真题分类通关+名校好题通关）一、名词性从句思维导图二、名词性从句五年高考考点细目表三、名词性从句五年高考真题分类通关考点一：考查名词性从句that和what的用法1.（2024浙江1月卷）If most of their customers are happy to buy larger quantities, that’s _________ they’ll promote.答案：what解析：考查表语从句。

句意：如果他们的大多数客户都乐意大量购买，那他们就会推广。

在表语从句中缺少宾语，且是指事物，所以应用连接代词what。

故填what。

2.（2023新高考II卷）They also need to be ready to give interviews in English with international journalists. This is _________ they need an English trainer.答案：why。

解析：考查表语从句。

句意：这就是他们需要英语培训师的原因。

分析句子结构可知，空处引导表语从句，从句中结构完整，应该用连接副词连接，前文提到需要培训师的原因，此处是表达“这就是他们需要英语培训师的原因”之意，应用why引导表语从句。

故填why。

3.（2021全国I卷）_____________is so breathtaking about the experience is the out-of-this-world scenes.答案：what解析：考查主语从句。

句意为：这段经历让人叹为观止的是那些超凡脱俗的场景。

引导主语从句,在从句中作主语,表示"……的东西",故填What。

4.（2020·天津卷改编）The student completed this experiment to make come true __________ Professor Joseph had试卷第2页，共14页said.答案：what解析：考查名词性从句。