Unit 5 Languages Around the World 单元语法（定语从句之关系副词）-2026-2027学年高一英语必修第一册（人教版）

**基本信息** 聚焦定语从句关系副词，通过语法填空与完成句子双题型，系统覆盖不同先行词情境，强化语言应用与逻辑分析能力。 **专项设计** |模块|题量/典例|题型特征|知识逻辑| |----|-----------|----------|----------| |单句语法填空|30题|给定语境选填关系副词，涵盖时间、地点、原因及抽象地点（如situation/case）先行词|从基础先行词（时间/地点/原因）到抽象地点名词，构建"先行词特征-关系副词匹配"逻辑链| |完成句子|20题|汉译英补全定语从句，结合具体语境（如"唯一能看到动物的地方"）|通过情境化表达，深化关系副词在实际语篇中的应用，提升语言理解与表达能力|

学校:___________姓名：___________班级：___________考号：___________ Unit 5 Languages Around the World 定语从句之关系副词 一、单句语法填空 1．I often miss my childhood. It was a time I spent almost each day without worries. 2．The teacher is trying to create an easy atmosphere the students can enjoy learning English. 3．Recently we have read the story-The Old Man and the Sea a fisherman attempts to catch a huge fish. 4．The lecture will cover a number of cases beginners of English fail to use the language properly. 5．There was no occasion this bottle of champagne could be used. 6．When she is put in a situation she has to remark on others, she always changes the topic. 7．He experimented with different styles of painting, but was most famous for his work in Cubism, which often uses acute angles and the world is represented as being constructed of cubes and rectangles. 8．There are many examples in my own hometown of Tours modern designs have been placed very successfully next to old buildings. 9．China has mid-autumn festivals, people admire the moon and enjoy mooncakes. 10．We live in a society exchanging presents is an important part of communication. 11．In European countries, the weekend is usually a time nobody goes to work. 12．If you're in a situation you're not sure what to do, act like you know what to do. 13．This is one of the reasons the city attaches great importance to hosting the summit this year. 14．China first had to put a satellite in orbit above the moon in a spot it could send signals to the spacecraft and to Earth. 15．Because of the financial crisis, days are gone local 5-star hotels charged 6,000 yuan for one night. 16．A fast food restaurant is the place , just as the name suggests, eating is performed quickly. 17．He found himself in a situation he could do nothing but wait for rescue. 18．The valley including a museum claims to be the only place visitors can safely observe wild Asian elephants. 19．In today’s competitive economy everyone is trying to do more with less, you’ve got to figure out a way to profit from the very beginning． 20．It’s on the festival occasions the family get together that he misses his late father. 21．I like my English teacher because he can create an atmosphere all the students feel respected. 22．The reason such funny mistakes occurred is due to a blind trust in online automatic translation services. 23．While watching Titanic, most people couldn’t help crying when it came to the scene Jack saves the life of the girl but dies in icy water himself. 24．For instance, the current age limit was set in the early 1950s China's life expectancy（预期寿命）was lower than 50 years old. 25．He led me to a table and poured tea, and I asked him why he had placed a “Sold Out” sign on the door on a night there were thirty vacant tables. 26．Las Vegas has many wonderful restaurants you can eat many different kinds of food. 27．Finally, after four hours, they arrived at the campsite their parents were waiting for them. 28．There comes a time China will do much good to all the people in the world, including the Chinese and all foreign friends. 29．A famous website people bought and sold things said that 70 percent of their problems were with people who sold things that did not exist. 30．He had to wait for what seemed like ages in the doctor’s surgery a bleeding man was looking at his watch nervously and a woman was coughing badly. 31．This is the reason Jennifer and her colleagues have called for a global pause in any clinical application of the CRISPR technology in human embryos to give us time to really consider all of the various results of doing so. 32．The reason Michael was late for class moved all the students. This warm-hearted boy helped an old lady go to the hospital after she fell onto the ground. 33．Emperor Qinshihuang united seven major states into one country the Chinese writing system began to develop in one direction. 34．So long as you stick to it, the moment will definitely come you can have your dream come true. 35．Thursday sees us make the short journey to Paris we will visit Disneyland Paris park，staying until late to see the parade and the fireworks. 36．The museum will open in the spring with an exhibition and a viewing platform visitors can watch the big glasshouses being built. 37．There are several reasons school uniforms are a good idea. First of all, uniforms help the school look smart. 38．The treatment will continue until the patient reaches the point he can walk correctly and safely. 39．The city traffic will provide hard points for the buses to overcome，since they have to work common cars and other road users may not be predictable. 40．At the Chinese art festival, there are different areas artists show their skills and interact with the visitors. 二、完成句子 41．This zoo is not the only place ________________________. 这个动物园并不是唯一能够看到这种动物的地方。 42．It was a time ________ people were divided geographically, leading to many ________ ________ dialects and characters. 由于当时中国人居住地域的分隔，从而导致不同方言和汉字字体的产生。 43．我们正为达到双方都能坐下来谈这一步而努力。 We’re trying to ________  ________  ________  ________ both sides will sit down and talk. 44．曾经有一段时间我痴迷于抖音。 There was ________ ________ ________ I was crazy about Douyin. 45．今天早上我开会迟到的原因是我起床晚了。 ________ ________ ________ I was late for the meeting this morning ________ ________ I got up late. 46．斯诺首先在地图上标出所有死者住所的确切位置。 Snow began by marking on a map the exact places ________ all those who died ________ ________. 47．我永远也不会忘记我在海滩上玩耍的那一天。 I will never forget the day _________ _________ _________ _________ on the shore of the sea. 48．这家公司的老板正试图创造一种让员工们享受工作轻松的气氛。 The boss of the company is trying to create ________ ________ ________ ________ his employees enjoy their work. 49．我走出去的原因是我感到很无聊。 ________ ________ ________ I walked out  ________ ________  I was bored. 50．他让自己陷入了一个艰难的处境，在这种情形下，他必须自己做出决定。 He got himself into a difficult situation________ ________ ________ ________ ________ ________ ________himself. 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 $ 学校:___________姓名：___________班级：___________考号：___________ Unit 5 Languages Around the World 定语从句之关系副词 一、单句语法填空 1．I often miss my childhood. It was a time I spent almost each day without worries. 【答案】when 【详解】考查定语从句。句意：我经常想念我的童年。那是一段我几乎每天都无忧无虑的时光。此处是限定性定语从句，先行词为time，在从句中作时间状语，所以用关系副词when引导。故填when。 2．The teacher is trying to create an easy atmosphere the students can enjoy learning English. 【答案】where 【详解】考查定语从句。句意：老师正努力营造一种轻松的气氛，让学生们享受学习英语的乐趣。此处atmosphere是先行词，在后面的定语从句中作地点状语，由关系副词where引导定语从句。故填where。 3．Recently we have read the story-The Old Man and the Sea a fisherman attempts to catch a huge fish. 【答案】where 【详解】考查定语从句。句意：最近我们读了一个故事——《老人与海》，故事里一个渔夫试图抓住一条大鱼。分析句子可知，设空处及之后的内容为定语从句，空白处在从句中作状语，指代先行词the story，所以用关系副词where。故填where。 4．The lecture will cover a number of cases beginners of English fail to use the language properly. 【答案】where 【详解】考查定语从句。句意：讲座将涵盖一些英语初学者不能正确使用语言的情况。此处为定语从句修饰先行词cases，先行词在从句中作地点状语，故用关系副词where引导。故填where。 5．There was no occasion this bottle of champagne could be used. 【答案】when 【详解】考查定语从句。句意：没有任何场合可以使用这瓶香槟。分析句子结构，可知该空需填一个连词，根据句意可知，应填when引导定语从句，修饰先行词occasion，在定语从句中做时间状语。故填when。 6．When she is put in a situation she has to remark on others, she always changes the topic. 【答案】where 【详解】考查定语从句。句意：当她被迫处于一个不得不评论他人的情况时，她总是转移话题。分析句子可知，此处是定语从句，关系词代替先行词situation在从句中充当地点状语，应用关系副词where，故填where。 7．He experimented with different styles of painting, but was most famous for his work in Cubism, which often uses acute angles and the world is represented as being constructed of cubes and rectangles. 【答案】where 【详解】考查定语从句。句意：他尝试了不同风格的绘画，但最著名的是他的立体派作品，它经常使用锐角，在那里，世界是由立方体和矩形构成的。本句为定语从句修饰先行词Cubism，且先行词在本空后从句中做地点状语，故填关系副词where。故填where。 8．There are many examples in my own hometown of Tours modern designs have been placed very successfully next to old buildings. 【答案】where 【详解】考查定语从句。句意：在我的家乡图尔有很多例子，在那里现代设计成功地紧挨着古老的建筑而建。分析句子结构可知，此处是限定性定语从句，先行词是Tours，在从句中作地点状语，原因关系副词where引导。故填where。 9．China has mid-autumn festivals, people admire the moon and enjoy mooncakes. 【答案】when 【详解】考查定语从句。句意：中国有中秋节，那时人们在一起边吃月饼边赏月。分析句子结构可知，此处是非限制性定语从句的关系词，先行词mid-autumn festivals在从句中充当时间状语，应用关系副词when，故填when。 10．We live in a society exchanging presents is an important part of communication. 【答案】where 【详解】考查定语从句。句意：在我们生活的社会中，交换礼物是交流的重要组成部分。分析句子结构可知，空处需用关系词引导定语从句，先行词是society，关系词在定语从句中作地点状语，所以空处需用关系副词where引导定语从句。故填where。 11．In European countries, the weekend is usually a time nobody goes to work. 【答案】when 【详解】考查定语从句。句意：在欧洲国家，周末通常是没人上班的日子。此处为定语从句修饰先行词time，先行词在从句中作时间状语，故用关系副词when引导。故填when。 12．If you're in a situation you're not sure what to do, act like you know what to do. 【答案】where 【详解】考查定语从句。句意：如果你处在不确定要做什么的情境之中，要表现得像你知道该做什么那样。此处______ you're not sure what to do是限制性定语从句，修饰先行词a situation，a situation在此表抽象地点，关系词在定语从句中作地点状语，所以应用关系副词where。故填where。 13．This is one of the reasons the city attaches great importance to hosting the summit this year. 【答案】why 【详解】考查定语从句。句意：这也是今年该市高度重视举办峰会的原因之一。______ the city attaches great importance to hosting the summit this year是定语从句，修饰先行词reasons，关系词在定语从句中作原因状语，所以应用关系副词why。故填why。 14．China first had to put a satellite in orbit above the moon in a spot it could send signals to the spacecraft and to Earth. 【答案】where 【详解】考查定语从句。句意：中国必须先把一颗人造卫星送入月球上方轨道中的一个位置，人造卫星可以在那里向航天器和地球发送信号。______ it could send signals to the spacecraft and to Earth是限制性定语从句，先行词是a spot，关系词代替先行词在从句中作地点状语，应用where引导该从句。故填where。 15．Because of the financial crisis, days are gone local 5-star hotels charged 6,000 yuan for one night. 【答案】when 【详解】考查定语从句。句意：由于金融危机，当地五星级酒店收费6000元一晚的日子已经不复存在了。分析句子可知，空格处为限制性定语从句，修饰先行词days，关系词代替先行词在定语从句中作时间状语，表示“在那些日子”，应使用在关系副词when引导该从句。故填when。 16．A fast food restaurant is the place , just as the name suggests, eating is performed quickly. 【答案】where 【详解】考查定语从句的关系副词。句意：快餐店，顾名思义，就是吃东西很快的地方。根据句意可知，句子eating is performed quickly修饰名词place，所以这是定语从句；分析定语从句句子成分可知，先行词place指地点，作地点状语，所以要用关系副词where。故填where。 17．He found himself in a situation he could do nothing but wait for rescue. 【答案】where 【详解】考查定语从句。句意：他发现自己处于一种除了等待救援别无他法的境地。 situation 为先行词，在定语从句中作地点状语，关系副词为where。故填where。 18．The valley including a museum claims to be the only place visitors can safely observe wild Asian elephants. 【答案】where 【详解】考查定语从句。句意：这个山谷包括一个博物馆，声称是唯一一个游客可以安全观察野生亚洲象的地方。分析句子可知，此处是一个定语从句，先行词the only place在从句中做状语，所以要用关系副词where。故填where。 19．In today’s competitive economy everyone is trying to do more with less, you’ve got to figure out a way to profit from the very beginning． 【答案】where 【详解】考查定语从句。句意：在当今竞争激烈的经济中，每个人都想用更少的钱做更多的事，你必须从一开始就想办法获利。此处为定语从句修饰先行词 economy，先行词在从句中作地点状语，故用关系副词where引导。故填where。 20．It’s on the festival occasions the family get together that he misses his late father. 【答案】when 【详解】考查定语从句。句意：每逢节日，全家团聚时，他就会想念已故的父亲。根据句意和句子结构可知，句子为限制性定语从句，空格处单词引导从句，修饰先行词“occasions”，“occasion”意为“时机”，在从句中作时间状语，故应用关系副词“when”引导从句。故填when。 21．I like my English teacher because he can create an atmosphere all the students feel respected. 【答案】where 【详解】考查定语从句。句意：我喜欢我的英语老师，因为他能创造一种所有学生都受到尊重的氛围。此处为定语从句修饰先行词atmosphere ，先行词在从句中作地点状语，故用关系副词where。 22．The reason such funny mistakes occurred is due to a blind trust in online automatic translation services. 【答案】why 【详解】考查定语从句。句意：之所以会出现这种滑稽的错误，是因为盲目信任在线自动翻译服务。定语从句修饰先行词reason，先行词在从句中作原因状语，应用关系副词why引导。故填why。 23．While watching Titanic, most people couldn’t help crying when it came to the scene Jack saves the life of the girl but dies in icy water himself. 【答案】where 【详解】考查定语从句。句意：在看泰坦尼克号时，看到杰克救了那个女孩但自己死在冰冷的水里的场景时，大部分人情不自禁的哭了。分析句子可知，scene后面是定语从句；先行词为scene在从句中做地点状语，从句的用关系副词where引导。故填where。 24．For instance, the current age limit was set in the early 1950s China's life expectancy（预期寿命）was lower than 50 years old. 【答案】when 【详解】考查定语从句。句意：例如，当前的年龄限制是20世纪50年代设立的，那时中国的预期寿命低于50岁。分析定语从句结构可知本句不缺成分，先行词1950s在从句中充当时间状语，故填入when。 25．He led me to a table and poured tea, and I asked him why he had placed a “Sold Out” sign on the door on a night there were thirty vacant tables. 【答案】when 【详解】考查定语从句。句意：他把我领到一张桌子前，倒了茶，我问他为什么在一个有三十张空桌子的晚上，在门上挂了一个“售罄”的牌子。句中先行词为night，在定语从句中作时间状语，所以用关系副词when引导。根据句意，故填when。 26．Las Vegas has many wonderful restaurants you can eat many different kinds of food. 【答案】where 【详解】考查关系副词。句意：拉斯维加斯有许多好的餐馆，在那里，你能吃到许多不同种类的食物。空格处是定语从句，先行词是restaurants，指地点，在定语从句中缺少地点状语，故填where。 27．Finally, after four hours, they arrived at the campsite their parents were waiting for them. 【答案】where 【详解】考查关系副词。句意：最终，四个小时之后，他们到达了营地，在那里，他们的父母当时正在等他们。空格处是定语从句，先行词是campsite，在定语从句中缺少状语。故填where。 28．There comes a time China will do much good to all the people in the world, including the Chinese and all foreign friends. 【答案】when 【详解】考查定语从句。句意：一个时代来临了，在这个时代中国会为全世界人民创造许多福祉，包括中国人和所有外国友人。分析句子结构可知，空白前句主干成分完整，后句主干成分完整，考虑定语从句，先行词为a time，表时间，考虑后句缺少时间状语，应使用关系副词when。故填when。 29．A famous website people bought and sold things said that 70 percent of their problems were with people who sold things that did not exist. 【答案】where 【详解】考查定语从句关系词。句意：一个著名的买卖物品的网站声称，他们70%的问题都与卖不存在的东西的人有关。分析句子结构可知，设空处引导定语从句，先行词为website，在从句中作地点状语，因而用关系副词where引导。故填where。 30．He had to wait for what seemed like ages in the doctor’s surgery a bleeding man was looking at his watch nervously and a woman was coughing badly. 【答案】where 【详解】考查定语从句。句意：在医生的手术中，一个流血的男人紧张地看着他的手表，一个女人咳嗽得很厉害，他不得不等上好长时间。句中先行词为the doctor’s surgery，在定语从句中作地点状语，用关系副词where。故填where。 31．This is the reason Jennifer and her colleagues have called for a global pause in any clinical application of the CRISPR technology in human embryos to give us time to really consider all of the various results of doing so. 【答案】why 【详解】考查定语从句。句意：这就是珍妮弗和她的同事们呼吁全世界暂停将CRISPR技术用于人类胚胎有关的所有临床应用的原因，这给了我们时间去认真考虑这项技术应用可能带来的各种后果。分析句子结构可知，设空处在句中引导定语从句，先行词是reason，从句中缺少原因状语，应选择关系副词。故填why。 32．The reason Michael was late for class moved all the students. This warm-hearted boy helped an old lady go to the hospital after she fell onto the ground. 【答案】why 【详解】考查定语从句。句意：迈克尔上课迟到的原因感动了所有的学生。这个热心的男孩帮助一位摔倒在地的老太太去医院。the reason是先行词，在定语从句中作原因状语，用表原因的关系副词，故填why。 33．Emperor Qinshihuang united seven major states into one country the Chinese writing system began to develop in one direction. 【答案】where 【详解】考查定语从句。句意：秦始皇将七个主要国家统一为一个国家，中国的文字系统开始向一个方向发展。分析可知，空处引导限制性定语从句，先行词为country，关系词代替它在从句中作地点状语，应用关系副词where。故填where。 34．So long as you stick to it, the moment will definitely come you can have your dream come true. 【答案】when 【详解】考查定语从句。句意：只要你坚持下去，梦想成真的那一刻一定会到来。分析句子结构可知，此处考查定语从句；从句符合主谓宾宾补结构，所以用关系副词；先行词是the moment，所以用关系副词when。故填when。 35．Thursday sees us make the short journey to Paris we will visit Disneyland Paris park，staying until late to see the parade and the fireworks. 【答案】where 【详解】考查定语从句。句意：周四我们将短途旅行前往巴黎，在那里我们将参观巴黎迪斯尼乐园，为了看游行和烟花，一直呆到很晚。此空处后的从句句子成分完成，所以需要填关系副词作状语。先行词是Paris，表示地点，故填where。 36．The museum will open in the spring with an exhibition and a viewing platform visitors can watch the big glasshouses being built. 【答案】where 【详解】考查定语从句。句意：博物馆将于春季开放，设有展览和观景台，游客可在此观看正在建造的大型温室。分析句子，空处引导定语从句，修饰先行词platform，先行词指地点，关系词在定语从句中作地点状语，应用关系副词where引导从句。故填where。 37．There are several reasons school uniforms are a good idea. First of all, uniforms help the school look smart. 【答案】why 【详解】考查定语从句。句意：穿校服是一个好主意有几个原因。首先，校服能让学校看起来更漂亮。空处引导定语从句，先行词reasons，在定语从句中作原因状语，需用关系副词why引导。故填why。 38．The treatment will continue until the patient reaches the point he can walk correctly and safely. 【答案】where 【详解】考查定语从句。句意：治疗要持续到该病人能够正确并安全行走的程度才会结束。空处引导定语从句，代替先行词point在从句中作抽象的地点状语，应用关系副词where。故填where。 39．The city traffic will provide hard points for the buses to overcome，since they have to work common cars and other road users may not be predictable. 【答案】where 【详解】考查状语从句。句意：城市交通将为公共汽车提供难以克服的难点，因为他们必须在普通汽车和其他道路使用者可能无法预测的地方工作。分析句子结构可知，空处需用连接词引导状语从句，表示地点，需用连接词where引导状语从句。故填where。 40．At the Chinese art festival, there are different areas artists show their skills and interact with the visitors. 【答案】where 【详解】考查定语从句关系词。句意：在中国艺术节上，艺术家们在不同的地方展示他们的技能，并与参观者互动。空格处引导定语从句修饰先行词 different areas，且在从句中作地点状语，用关系副词where引导符合题意。故填where。 二、完成句子 41．This zoo is not the only place ________________________. 这个动物园并不是唯一能够看到这种动物的地方。 【答案】where the animal can be seen 【详解】考查定语从句。“唯一能够看到这种动物”修饰place，用定语从句表达，先行词是place，在从句中做地点状语，用关系副词where引导定语从句，从句主语为 the animal (这种动物)，动词see (看到)，从句谓语为情态动词的被动语态can be seen。故填where the animal can be seen。 42．It was a time ________ people were divided geographically, leading to many ________ ________ dialects and characters. 由于当时中国人居住地域的分隔，从而导致不同方言和汉字字体的产生。 【答案】 when varieties/kinds/sorts/forms of 【详解】考查定语从句和固定短语。分析可知，第一空处引导定语从句，先行词为time，关系词代替它在从句中作时间状语，应用关系副词when；第二三空处，应用固定短语varieties/kinds/sorts/forms of表达“各种各样的”。故填when；varieties/kinds/sorts/forms；of。 43．我们正为达到双方都能坐下来谈这一步而努力。 We’re trying to ________  ________  ________  ________ both sides will sit down and talk. 【答案】 reach a point where 【详解】考查固定短语和定语从句。根据句意可知，句中涉及固定短语“reach a point”，意为“达到某一点，达到水准”，“try to do sth.”意为“尽力做某事”，“to”后接动词原形，根据句意和句子结构可知，句子为限制性定语从句，“point”为表示抽象地点的名词，在从句中作地点状语，故应用关系副词“where”引导从句。故填reach a point where。 44．曾经有一段时间我痴迷于抖音。 There was ________ ________ ________ I was crazy about Douyin. 【答案】 a time when 【详解】本题考查固定句型。解题要点：根据所给出的句子，结合句意，可推出是固定句型There was a time when…意为 “曾经一度、有一个时期”，when是关系副词引导定语从句。故填a；time；when。 45．今天早上我开会迟到的原因是我起床晚了。 ________ ________ ________ I was late for the meeting this morning ________ ________ I got up late. 【答案】 The reason why was that 【详解】考查定语从句和表语从句。主干结构为主系表，其中主语和表语都是从句，主语“今天早上我上课迟到的原因”需要用定语从句来表达，先行词为the reason，表原因关系词要用why；主语和表语之间需要系动词和连接词，表语从句句意完整，应用只起连接作用、无实意的that引导；谓语是第三人称单数，句子描述的动作已经发生要用一般过去时，系动词应使用was。故填①The；② reason；③ why；④was；⑤ that。 46．斯诺首先在地图上标出所有死者住所的确切位置。 Snow began by marking on a map the exact places ________ all those who died ________ ________. 【答案】 where had lived 【详解】考查定语从句、动词和时态。对比中英文句子可知，第一空引导定语从句，修饰名词places，关系词在从句中作地点状语，应用关系副词where；表示“居住”应用live，该词为where引导的定语从句的谓语动词，动作发生在“去世”之前，应用过去完成时。故填where；had；lived。 【点睛】 47．我永远也不会忘记我在海滩上玩耍的那一天。 I will never forget the day _________ _________ _________ _________ on the shore of the sea. 【答案】 when I was playing 【详解】考查定语从句和时态。句中先行词为the day，在定语从句中作时间状语，所以用关系副词when引导。陈述过去的事情，用过去的相关时态。这里表示过去正在做的事情，所以用过去进行时，此处还表示感情色彩，故填when I was playing。 48．这家公司的老板正试图创造一种让员工们享受工作轻松的气氛。 The boss of the company is trying to create ________ ________ ________ ________ his employees enjoy their work. 【答案】 an easy atmosphere where 【详解】考查形容词、名词及定语从句。表示“轻松的气氛”用an easy atmosphere。根据句子结构可知，此句是定语从句，该引导词指代先行词atmosphere，在从句中作地点状语，故填where。故答案为①an；②easy；③atmosphere；④where。 49．我走出去的原因是我感到很无聊。 ________ ________ ________ I walked out  ________ ________  I was bored. 【答案】 The reason why was that 【详解】考查固定句型和时态。对比中英文句子可知，空处涉及固定句型the reason why...is/was that...“……的原因是……”，why引导定语从句修饰先行词reason，在从句“ ________ I walked out”中作原因状语；表语从句“I was bored”的成分和意义都完整，故用that引导。结合语境和walked以及was判断主句为一般过去时。故填The；reason；why；was；that。 50．他让自己陷入了一个艰难的处境，在这种情形下，他必须自己做出决定。 He got himself into a difficult situation________ ________ ________ ________ ________ ________ ________himself. 【答案】 where he had to make a decision 【详解】考查定语从句。分析句子，设空处应该使用的是定语从句。定语从句修饰 a difficult situation，其引导词在从句中作地点状语。同时此处描述的是过去发生的动作，故使用一般过去时。表示“做决定”应该用make a decision。故答案为①where ②he③ had ④to ⑤make⑥ a⑦ decision。 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 $