Unit4 语法Grammar 祈使句和should,had better专练 2025-2026学年译林版（2024）英语八年级上册

8A Unit4 语法Grammar 祈使句和should,had better （时间：60分钟，满分：100分） 1、 单项选择(本大题共40小题，每小题2分，共80分) 1．Don’t drive so fast, ________ you might have an accident. A．or B．and C．but D．for 2．Ben, ________ off the tap while brushing your teeth. A．turn B．turns C．turning D．turned 3．Let’s ________ the Da Li this Sunday. A．go B．to go C．going D．go to 4．Listen carefully in class, ________ you will have no problem with your study. A．or B．but C．and D．because 5．Listen to this song, ________ you’ll feel completely relaxed. A．for B．but C．or D．and 6．Have enough sleep, ________ you’ll get better soon. A．but B．and C．if D．while 7．— ________ out of the window. Please listen to the teacher. — ________ A．Doesn’t look; Good idea! B．Don’t look; Sorry, I won’t. C．Don’t look; OK! D．Not look; No way! 8．Jenny, ________ out the form please. You are allowed to join the sports club. A．fills B．fill C．will fill D．filled 9．________! Or you will be late for the meeting. A．Hurry off B．Hurry up C．Take your time D．Don’t hurry 10．________ late for class again, Lily. A．Be B．Can’t C．Don’t be D．Don’t 11．—Sandy, ________ photos in the museum. You’ll hurt the paintings! —I’m sorry. I won’t do it again. A．not take B．don’t take C．doesn’t take D．not to take 12．Follow the safety instructions, ________ you could end up in a dangerous situation. A．or B．and C．so D．but 13．________ ahead, and we will do things more easily and smoothly. A．Plan B．To plan C．Planning D．Plans 14．Let Jane _________ the art club. She likes drawing very much. A．joins B．joining C．to join D．join 15．________ a helmet (头盔) when you ride an e-bike. It’s a rule. A．Wearing B．To wear C．Wore D．Wear 16．Tom, ________ listen to music. We are having class now. A．don’t B．not C．can’t D．no 17．Have a try, ______ you will never know what you can achieve. A．or B．but C．so D．and 18．________ in class, please. A．Not talk B．Not talking C．Don’t talk D．Not to talk 19．________ physical exercise every day, and you will get stronger and stronger. A．Doing B．Does C．Do D．To do 20．_________ up, we are going to be late. A．Hurry B．Hurrying C．To hurry D．Hurries 21．—Whose umbrella is this? —It ______ belong to Mr. Smith. Look, his name is on it. A．Can B．might C．must D．should 22．—I’ve got a toothache, Mom. —Oh, you ________ eat too much candy. A．shouldn’t B．needn’t C．should D．need 23．— I really like this video game, mum. Why must I stop playing it? — For your health, my dear. You ________ go out to take in fresh air and relax your eyes. A．could B．couldn’t C．should D．shouldn’t 24．—I argued with my best friend yesterday. —You ________ talk to him and say sorry. A．shouldn’t B．might C．should D．needn’t 25．—Some students spend too much time on their mobile (可移动的) phones and don’t read any books. —That’s too bad. Everyone ________ be a book lover. Reading is more enjoyable. A．may B．would C．should 26．Earthquakes are very dangerous. People ________ learn to protect (保护) themselves. A．should B．could C．might 27．You have made some mistakes again. I think you ________ be more careful next time. A．should B．can C．may D．would 28．—Seeing is not always believing. We ________ not judge (判断) anyone or anything if we don’t know the full story. —I can’t agree more. Put ourselves in others’ shoes and then we can really understand them. A．would B．need C．should D．might 29．In order to speak English well, we ________ be afraid of losing face, because the most important thing is to practice. A．should B．shouldn’t C．have to D．may 30．In order to speak English well, we ________ be afraid of losing face, because the most important thing is to practice. A．should B．shouldn’t C．may D．may not 31．You’d better ________ Simon about it. It’s secret. A．tell B．to tell C．not tell D．not to tell 32．—You look worried. You’d better ________ your trouble with others. —Oh, yes. A trouble ________is a trouble halved. A．share; shared B．sharing; to share C．to share; to share D．share; sharing 33．Ann, wait a moment. It’s so cold outside. You’d better ________ a coat. A．get B．bring C．take D．to take 34．The alarm went off. You’d better ________ up and go to school. A．got B．get C．to get D．getting 35．—Tina, I need your help. I have trouble ________ math.   —Well, you’d better ________ to the teacher very carefully in class. A．learning; listen B．learning; to listen C．learn; listen D．learn; to listen 36．It’s raining. You ________ out now. A．had better not go B．had not better go C．should go D．didn’t have better go 37．You’d better ________ any noise because the baby is sleeping. A．not make B．don’t make C．not to make D．not to making 38．You’d better ________ too much meat. You are too fat. A．eat B．not eat C．not to eat D．don’t eat 39．You’d better ________ the apples in the air for a long time. They will turn brown quickly. A．leave B．eat C．not eat D．not leave 40．It’s so cold here, you’d better ________ your coat. A．don’t take off B．not to take off C．not take off D．take off 二、完成句子(本大题共10小题，每小题2分，共20分) 41．You’d better come on Saturday. (改为否定句) You’d on Saturday. 42．我们最好在课堂上认真听讲。 We listen carefully . 43．你不应该穿牛仔裤去参加聚会。 You to the party. 44．并且在你开始之前，你应该朝她微笑! And before you begin, you her! 45．如果需要更多信息请随时给我打电话。 Please me if you need further information. 46．今日事今日毕。 (完成译句) Don’t what you can do today until tomorrow. 47．放轻松，别担心会出错。 Relax and making mistakes. 48．坚持你的梦想。将来有一天，他们可能会实现。 to your dreams. One day they may come true. 49．穿上外套吧。今天天气冷。 your coat. It is cold today. 50．请不要回来太晚，那样不安全。 Please don’t too late, it’s not safe. 答案与解析 2、 单项选择(本大题共40小题，每小题2分，共80分) 1．Don’t drive so fast, ________ you might have an accident. A．or B．and C．but D．for 【答案】A 【详解】句意：不要开车那么快，否则你或许会出事故。 考查并列连词辨析。or否则、不然；and而且、和；but但是；for因为。根据“Don’t drive so fast...you might have an accident.”可知，句中警告说不要开车那么快，不然的话你或许会出事故。此处表示“否则的话、不然的话”，“or”符合题意。故选A。 2．Ben, ________ off the tap while brushing your teeth. A．turn B．turns C．turning D．turned 【答案】A 【详解】句意：本，刷牙的时候关掉水龙头。 考查祈使句。根据“off the tap while brushing your teeth.”可知，该句为祈使句，祈使句通常以动词原形开头。故选A。 3．Let’s ________ the Da Li this Sunday. A．go B．to go C．going D．go to 【答案】D 【详解】句意：这个星期天让我们去大理吧。 考查非谓语动词。句中Let’s是Let us的缩写，let是使役动词，let sb. do sth.“让某人做某事”，go to sp.“去某地”。故选D。 4．Listen carefully in class, ________ you will have no problem with your study. A．or B．but C．and D．because 【答案】C 【详解】句意：上课认真听讲，你的学习就不会有问题。 考查连词辨析。or否则，不然，表转折；but但是，表转折；and和，又，表顺承；because因为，表因果。根据“Listen carefully in class”可知，只要课上认真听，学习就没问题，表示顺承关系，用and连接。故选C。 5．Listen to this song, ________ you’ll feel completely relaxed. A．for B．but C．or D．and 【答案】D 【详解】句意：听这首歌，你会感到完全放松。 考查连词辨析。for因为；but但是；or或者，否则；and并且。分析句子可知，此处是“祈使句+and/or+简单句”的句式，前后句是顺承关系，表示“听这首歌”的结果是“感到放松”，应用连词and。故选D。 6．Have enough sleep, ________ you’ll get better soon. A．but B．and C．if D．while 【答案】B 【详解】句意：有足够的睡眠，你很快就会好的。 考查连词辨析。but但是；and那么；if如果；while当……时。根据“Have enough sleep, … you’ll get better soon.”可知，此处为固定句型“祈使句+and+陈述句”，表示如果做到保证充足睡眠，就会很快好转，应用and连接。故选B。 7．— ________ out of the window. Please listen to the teacher. — ________ A．Doesn’t look; Good idea! B．Don’t look; Sorry, I won’t. C．Don’t look; OK! D．Not look; No way! 【答案】B 【详解】句意：——别往窗外看。请听老师讲课。——对不起，我不会了。 考查祈使句和情景交际。Good idea好主意；Sorry, I won’t对不起，我不会了；OK好的；No way没门。祈使句的否定形式是在动词原形前加“Don’t”，所以第一空用“Don’t look”；第二空，对于别人的提醒或批评，应该表示歉意并承诺改正，因此Sorry, I won’t“对不起，我不会了”最符合语境。故选B。 8．Jenny, ________ out the form please. You are allowed to join the sports club. A．fills B．fill C．will fill D．filled 【答案】B 【详解】句意：Jenny，请填写表格。你被允许加入体育俱乐部。 考查祈使句的用法。此处表示请Jenny填写表格，用祈使句，表示请求，动词用原形的fill。故选B。 9．________! Or you will be late for the meeting. A．Hurry off B．Hurry up C．Take your time D．Don’t hurry 【答案】B 【详解】句意：快点！否则你开会就要迟到了。 考查“祈使句+and/or+陈述句”的用法。Hurry off匆忙离开；Hurry up快点；Take your time不着急，慢慢来；Don’t hurry不慌。结合语境及“Or you will be late for the meeting”可知，再不快点会议就要迟到了，此处应在催促对方“快点”。故选B。 10．________ late for class again, Lily. A．Be B．Can’t C．Don’t be D．Don’t 【答案】C 【详解】句意：莉莉，上课不要再迟到了。 考查祈使句的否定形式。此句为表示提醒的祈使句的否定形式。be late for“迟到”，祈使句的否定形式是在动词原形be前加Don’t，变为Don’t be。故选C。 11．—Sandy, ________ photos in the museum. You’ll hurt the paintings! —I’m sorry. I won’t do it again. A．not take B．don’t take C．doesn’t take D．not to take 【答案】B 【详解】句意：——Sandy，不要在博物馆里照相。你会伤到画作。——抱歉。我不会再那么做了。 考查否定祈使句。根据“... photos in the museum.”可知，否定祈使句需由“don’t+动词原形”。故选B。 12．Follow the safety instructions, ________ you could end up in a dangerous situation. A．or B．and C．so D．but 【答案】A 【详解】句意：遵从安全指示，否则你会陷入危险的境地。 考查连词辨析。or否则；and并且；so所以；but但是。根据“Follow the safety instructions, … you could end up in a dangerous situation.”可知，此处是“祈使句+or+陈述句”结构，前后句之间存在一种相反的假设关系，即如果不遵守安全说明，就会陷入危险境地。故选A。 13．________ ahead, and we will do things more easily and smoothly. A．Plan B．To plan C．Planning D．Plans 【答案】A 【详解】句意：提前计划，我们会更轻松顺利地完成事情。根据“and we will do things more easily and smoothly”可知，此处用祈使句，“祈使句, and+陈述句”，祈使句以动词原形开头。故选A。 14．Let Jane _________ the art club. She likes drawing very much. A．joins B．joining C．to join D．join 【答案】D 【详解】句意：让简加入艺术俱乐部。她非常喜欢画画。 考查祈使句。joins单三形式；joining动词的现在分词；to join动词的不定式。根据“Let Jane…the art club.”可知句子考查let sb do sth“让某人做某事”，用动词原形join。故选D。 15．________ a helmet (头盔) when you ride an e-bike. It’s a rule. A．Wearing B．To wear C．Wore D．Wear 【答案】D 【详解】句意：当你骑电动车时戴好头盔。这是规定。 考查祈使句。根据“…a helmet(头盔) when you ride an e-bike.”可知，连词when连接两个句子，此句是以动词原形开头的祈使句。故选D。 16．Tom, ________ listen to music. We are having class now. A．don’t B．not C．can’t D．no 【答案】A 【详解】句意：汤姆，不要听音乐。我们现在正在上课。 考查祈使句。don’t不要；not不是；can’t不能；no不。根据“We are having class now.”可知，现在在上课，课堂上不能听音乐，句式为祈使句的否定形式，故应用don’t+动词原形。故选A。 17．Have a try, ______ you will never know what you can achieve. A．or B．but C．so D．and 【答案】A 【详解】句意：试试看，否则你永远不知道自己能取得什么成就。 考查连词。or否则；but但是；so所以；and然后，和。根据“Have a try, ...you will never know what you can achieve.”可知，此处表达否则你就不知道自己取得什么成就，应用or连接。故选A。 18．________ in class, please. A．Not talk B．Not talking C．Don’t talk D．Not to talk 【答案】C 【详解】句意：请不要再课堂上交谈。 考查祈使句。Not talk原形的否定形式；Not talking动名词的否定形式；Don’t talk祈使句的否定形式；Not to talk动词不定式的否定形式。根据句意可知，此处表请求，应用祈使句的否定句结构，即Don’t+动词原形，故选C。 19．________ physical exercise every day, and you will get stronger and stronger. A．Doing B．Does C．Do D．To do 【答案】C 【详解】句意：每天进行体育锻炼，你会变得越来越强壮。 考查祈使句。根据“... physical exercise every day, and you will get stronger and stronger.”可知，此处是肯定祈使句，故用动词原形开头。“祈使句+and/or+陈述句”表示结果，即陈述句所表示的内容为前面祈使句内容的结果。故选C。 20．_________ up, we are going to be late. A．Hurry B．Hurrying C．To hurry D．Hurries 【答案】A 【详解】句意：快点，我们要迟到了。 考查祈使句。结合语境和“we are going to be late.”可知，该句考查祈使句，且为肯定形式，应用动词原形开头，用于表达命令，hurry up“快点”符合语境。故选A。 21．—Whose umbrella is this? —It ______ belong to Mr. Smith. Look, his name is on it. A．Can B．might C．must D．should 【答案】C 【详解】句意：——这是谁的伞？——这一定属于斯密斯先生。看，他的名字在上面。 考查情态动词。can能够；might可能；must一定，必须；should应该。此处考查肯定推测，因为名字在上面，所以用must be表“一定是”。故选C。 22．—I’ve got a toothache, Mom. —Oh, you ________ eat too much candy. A．shouldn’t B．needn’t C．should D．need 【答案】A 【详解】句意：——妈妈，我牙痛。 ——哦，你不应该吃太多的糖果。 考查情态动词。shouldn’t不应该；needn’t不需要；should应该；need需要。根据题意和常识可知，“牙疼”本质上是“吃糖过多”的不良后果，所以这里应用shouldn’t表示“禁止性建议”。故选A。 23．— I really like this video game, mum. Why must I stop playing it? — For your health, my dear. You ________ go out to take in fresh air and relax your eyes. A．could B．couldn’t C．should D．shouldn’t 【答案】C 【详解】句意：——妈妈，我真的很喜欢这个电子游戏，我为什么必须停下来？——为了你的健康，亲爱的。你应该出去呼吸新鲜空气，让眼睛放松。 考查情态动词用法。could能；couldn’t不能；should应该；shouldn’t不应该。根据“For your health, my dear. You...go out to take in fresh air and relax your eyes.”可知，母亲建议孩子外出活动是为了健康着想，故需should“应该”表责任或合理建议。故选C。 24．—I argued with my best friend yesterday. —You ________ talk to him and say sorry. A．shouldn’t B．might C．should D．needn’t 【答案】C 【详解】句意：——我昨天和我最好的朋友吵架了。——你应该和他谈谈，并向他道歉。 考查情态动词。shouldn’t不应该；might可能，可以，may的过去式；should应该；needn’t不必。根据“I argued with my best friend yesterday.”可知，此处是建议对方去道歉。故选C。 25．—Some students spend too much time on their mobile (可移动的) phones and don’t read any books. —That’s too bad. Everyone ________ be a book lover. Reading is more enjoyable. A．may B．would C．should 【答案】C 【详解】句意：——有些学生在手机上花费太多时间而不读书。——那太糟糕了。每个人都应该成为爱书之人。阅读更令人愉快。 考查情态动词辨析。may可能；would将要；should应该。根据“Everyone...be a book lover. Reading is more enjoyable.”可知，此处表示每个人都应该成为喜欢读书的人。故选C。 26．Earthquakes are very dangerous. People ________ learn to protect (保护) themselves. A．should B．could C．might 【答案】A 【详解】句意：地震非常危险。人们应该学会保护自己。 考查动词辨析。should应该；could能；might可能。根据“People…learn to protect (保护) themselves.”可知，强调“保护自己”是必要的应该做的，因此选should。故选A。 27．You have made some mistakes again. I think you ________ be more careful next time. A．should B．can C．may D．would 【答案】A 【详解】句意：你又犯了一些错误。我觉得你下次应该仔细点。 考查情态动词辨析。should应该；can可以，能；may可以，也许；would将会。根据“I think you ... be more careful next time.”可知，此处指你下次应该仔细点。故选A。 28．—Seeing is not always believing. We ________ not judge (判断) anyone or anything if we don’t know the full story. —I can’t agree more. Put ourselves in others’ shoes and then we can really understand them. A．would B．need C．should D．might 【答案】C 【详解】句意：——眼见未必为实。如果我们不了解整个故事，我们就不应该评判任何人或事。——我完全同意。设身处地，然后我们才能真正地理解它们。 考查动词辨析。would会；need需要；should应该；might可能。根据“if we don’t know the full story”可知，如果我们不了解整个故事，我们就不应该评判任何人或事，应用should表示建议。故选C。 29．In order to speak English well, we ________ be afraid of losing face, because the most important thing is to practice. A．should B．shouldn’t C．have to D．may 【答案】B 【详解】句意：为了说好英语，我们不应该害怕丢脸，因为最重要的是练习。 考查情态动词。should应该；shouldn’t不应该；have to必须；may可能。根据“In order to speak English well, we ... be afraid of losing face”可知，为了说好英语，我们不应该害怕丢脸。故选B。 30．In order to speak English well, we ________ be afraid of losing face, because the most important thing is to practice. A．should B．shouldn’t C．may D．may not 【答案】B 【详解】句意：为了说好英语，我们不应该害怕丢面子，因为最重要的事情是练习。 考查情态动词。should应该；shouldn’t不应该；may可能；may not可能不。根据“we...be afraid of losing face, because the most important thing is to practice.”可知，是不应该害怕丢面子，最重要的是练习。故选B。 31．You’d better ________ Simon about it. It’s secret. A．tell B．to tell C．not tell D．not to tell 【答案】C 【详解】句意：你最好不要把这件事告诉西蒙。这是秘密。 考查固定用法。had better (not) do sth.“最好(不)做某事”。根据“secret”可知，这是一个秘密，最好不要告诉。故选C。 32．—You look worried. You’d better ________ your trouble with others. —Oh, yes. A trouble ________is a trouble halved. A．share; shared B．sharing; to share C．to share; to share D．share; sharing 【答案】A 【详解】句意：——你看起来愁眉苦脸的。你最好把你的烦恼告诉其他人。——哦，是的。两人分担，困难减半。 考查had better和过去分词的用法。“had better”是情态动词短语，后必须接动词原形，“had beter do sth.”意为“最好做某事”，排除B、C；“A trouble”与“share”之间是被动关系，所以用过去分词作定语，修饰“trouble”，表示“被分担的烦恼”。故选A。 33．Ann, wait a moment. It’s so cold outside. You’d better ________ a coat. A．get B．bring C．take D．to take 【答案】C 【详解】句意：安，等一下。外面很冷，你最好带一件外套。 考查动词辨析。get得到；bring带来；take携带；to take携带，动词不定式。根据“It’s so cold outside.”可知，是指携带外套出去，用take；结合“You’d better do sth”可知，空处用动词原形。故选C。 34．The alarm went off. You’d better ________ up and go to school. A．got B．get C．to get D．getting 【答案】B 【详解】句意：闹钟响了。你最好起床去上学。 考查固定搭配。根据“You’d better...”可知，“had better do sth.”是固定用法，意为“最好做某事”，所以此处用动词原形get。故选B。 35．—Tina, I need your help. I have trouble ________ math.   —Well, you’d better ________ to the teacher very carefully in class. A．learning; listen B．learning; to listen C．learn; listen D．learn; to listen 【答案】A 【详解】句意：——蒂娜，我需要你的帮助。我学数学有困难。——嗯，你最好在课堂上认真听老师讲课。 考查动词短语辨析。根据“Tina, I need your help. I have trouble…math. ”可知，此处指的是学数学有困难，have trouble doing sth“做某事有困难”，固定短语；根据“Well, you’d better…to the teacher very carefully in class.”可知，此处指的是最好认真听课。had better do sth“最好做某事”，固定短语。故选A。 36．It’s raining. You ________ out now. A．had better not go B．had not better go C．should go D．didn’t have better go 【答案】A 【详解】句意：正在下雨呢，你现在最好不要出去。 考查情态动词。had better最好；should应该。根据“It’s raining.”可知，此处表达“最好不要出去”，需用短语had better not do sth.“最好不做某事”。故选A。 37．You’d better ________ any noise because the baby is sleeping. A．not make B．don’t make C．not to make D．not to making 【答案】A 【详解】句意：你最好不要发出任何噪音，因为小婴儿正在睡觉。 考查情态动词的用法。You’d better=You had better，had better not do sth.表示“最好不要做某事”，故选A。 38．You’d better ________ too much meat. You are too fat. A．eat B．not eat C．not to eat D．don’t eat 【答案】B 【详解】句意：你最好不要吃太多的肉。你太胖了。 考查had better的用法。根据横线前“You’d better”可知，had better (not) do sth.“最好(不要)做某事”，固定搭配，又根据后一句“You are too fat.”可知，此处应该表达你最好不要吃太多的肉。故选B。 39．You’d better ________ the apples in the air for a long time. They will turn brown quickly. A．leave B．eat C．not eat D．not leave 【答案】D 【详解】句意：你最好不要把苹果在空中放很长时间。它们会很快变褐。 考查情态动词用法及动词辨析。根据题干中“You’d better…the apples in the air for a long time. They will turn brown quickly.”可知，此处是固定句型“had better do sth”的否定形式“had better not do sth”，表示“最好不要做某事”，所以排除AB选项。eat意为“吃”，leave意为“留下；放置”，根据题干中“in the air for a long time”可知，此处是指不要把苹果在空中放很长时间，所以排除C选项。故选D。 40．It’s so cold here, you’d better ________ your coat. A．don’t take off B．not to take off C．not take off D．take off 【答案】C 【详解】句意：这里太冷了，你最好不要脱外套。 考查情态动词。根据“It’s so cold here”可知，“最好不要脱外套”。had better not do sth.“最好不要做某事”，为固定句型。故选C。 二、完成句子(本大题共10小题，每小题2分，共20分) 41．You’d better come on Saturday. (改为否定句) You’d on Saturday. 【答案】 better not come 【详解】句意：你最好周六来。根据题意要变为否定句，You’d better...（你最好……）的否定形式是“You’d better not + 动词原形”，come“来”是动词原形。故填 better；not；come 。 42．我们最好在课堂上认真听讲。 We listen carefully . 【答案】 had better in class 【详解】对照中英文可知缺少“最好”和“在课堂上”，“最好”had better，“在课堂上”in class。故填had better；in class。 43．你不应该穿牛仔裤去参加聚会。 You to the party. 【答案】 shouldn’t wear jeans 【详解】对比中英文可知，空处缺少“不应该穿牛仔裤”；结合英文题干和汉语提示可知，句子为否定句；should“应该”，情态动词，后接动词原形，与not缩写为shouldn’t；wear jeans“穿牛仔裤”，固定搭配，这里动词wear用原形。故填shouldn’t；wear；jeans。 44．并且在你开始之前，你应该朝她微笑! And before you begin, you her! 【答案】should smile at 【详解】根据中英文对照可知，空处缺“应该朝她微笑”的英文，should“应该”为情态动词，smile at sb.表示“朝某人微笑”，should后跟动词原形。故填should smile at。 45．如果需要更多信息请随时给我打电话。 Please me if you need further information. 【答案】 feel free to call 【详解】根据题干可知，空处缺少“随时给……打电话”，应用短语feel free to do sth表示“感觉自由地去做某事”，此处为祈使句，应用动词原形feel；后接动词原形call表示“打电话”。故填feel；free；to；call。 46．今日事今日毕。 (完成译句) Don’t what you can do today until tomorrow. 【答案】 put off 【详解】根据汉语提示可知，空格处需填写put off“推迟，拖延”，为动词短语；don’t为助动词否定式，后需跟动词原形。故填put；off。 47．放轻松，别担心会出错。 Relax and making mistakes. 【答案】don’t worry about 【详解】根据中英文对照可知，此处缺少“别担心”的表达，该句为祈使句的否定形式，助动词使用don’t，worry about意为“担心”。故填don’t worry about。 48．坚持你的梦想。将来有一天，他们可能会实现。 to your dreams. One day they may come true. 【答案】 Hold on 【详解】根据汉语提示可知，空格处需填写“坚持”，英文是hold on，为动词短语；本题为祈使句，动词需用原形。故填Hold；on。 49．穿上外套吧。今天天气冷。 your coat. It is cold today. 【答案】 Put on 【详解】根据中英文对照可知，空处缺“穿上”的英文put on，动词短语。本句为祈使句肯定形式，动词使用原形。故填Put；on。 50．请不要回来太晚，那样不安全。 Please don’t too late, it’s not safe. 【答案】 come back 【详解】对比所给中英文可知，设空处为“回来”，come back“回来”，是固定搭配，根据空前的“don’t”可知，此处用动词原形。故填come；back。 试卷第4页，共4页 学科网（北京）股份有限公司 $