Unit 3 To be a good learner 语法Grammar 副词的比较级最高级和反身代词-2026-2027学年八年级英语上册单元练习（译林版）

**基本信息** 本单元卷聚焦初中英语Unit 3副词比较级、最高级及反身代词，通过经典题型巩固基础，适配单元复习需求，助力语言能力与学习能力提升。 **题型特征** |题型|题量/分值|知识覆盖|命题特色| |----|-----------|----------|----------| |单项选择|30题/60分|副词比较级（如faster）、最高级（most carefully）、反身代词（himself）|结合运动、购物等真实语境，考查语法运用，体现语言能力| |单词拼写|20题/40分|反身代词（ourselves）、副词比较级（more slowly）、最高级（farthest）|融入自我介绍、环保等情境，强化词形转换，渗透学习能力|

班级 姓名 学号 分数 Unit 3 To be a good learner 副词的比较级最高级和反身代词 （时间：60分钟，满分：100分） 1、 单项选择(本大题共30小题，每小题2分，共60分) 1．He runs much ________ than ________. A．fast; me B．faster; mine C．fast; mine D．faster; me 【答案】D 【详解】句意：他跑得比我快多了。 考查副词等级及代词辨析。fast快地，原级；me我，宾格；faster更快地，比较级；mine我的，名词性物主代词。much后面修饰比较级，故排除A和C；根据“He runs much...than...”可知，此处表示他跑得比我快多了，应用宾格me。故选D。 2．Bees and ants work ________ than most animals. A．hard B．harder C．the harder 【答案】B 【详解】句意：蜜蜂和蚂蚁比大多数动物工作更努力。 考查副词的比较级。根据“than”可知该空用比较级harder“更努力地”，修饰动词work，副词比较级前不加定冠词the。故选B。 3．He does homework ________ than his classmates. A．more careful B．most carefully C．more carefully D．carefully 【答案】C 【详解】句意：他做作业比他的同学们认真。 考查副词比较级。more careful最仔细的；most carefully最仔细地；more carefully更仔细地；carefully仔细地。根据下文“than his classmates.”和语境可知，此空要用比较级，在句中作状语，修饰动词短语does homework。故选C。 4．—Which sport do you like ________, swimming or running? —I like swimming better. A．good B．well C．better D．best 【答案】C 【详解】句意：——游泳和跑步，你更喜欢哪项运动？——我更喜欢游泳。 考查副词比较级。good好的；well好，副词；better更好；best最好。这里是在“swimming”和“running”两项运动之间进行比较，询问更喜欢哪一项，用比较级，“like...better”表示“更喜欢……”，故选C。 5．We are glad to see the company developing ________ these years than before. A．very quickly B．less quickly C．more quicker D．more quickly 【答案】D 【详解】句意：我们很高兴看到公司这些年比以前发展得更快了。 考查副词比较级。C结构错误，排除C；根据“than before”可知，应使用比较级，排除A；结合“We are glad to see the company developing...these years”可知，公司发展得更快。故选D。 6．My brother used to go to school ________ than other students. A．much early B．much earlier C．more earlier D．more early 【答案】B 【详解】句意：我的哥哥过去常常比其他学生更早上学。 考查比较级以及比较级的修饰词。early早；earlier早些时候，早期的，early的比较级；much earlier早得多。空后单词“than比”是使用比较级的标志词，much修饰earlier，强调程度高。故选B。 7．She eats _________ than any other sister, so she is the ________ child in her family. A．healthier, healthiest B．more healthy, most healthy C．more healthily, healthiest D．more healthier, healthiest 【答案】C 【详解】句意：她比其他姐妹吃得更健康，所以她是家里最健康的孩子。 考查副词比较级与形容词最高级。根据空格前的“eats”和空格后的“than”可知，第一个空应用副词的比较级修饰动词；根据范围“in her family”可知，第二个空应用最高级。故选C。 8．With the teacher’s help, Jim does ________ in speaking English. A．good and bad B．well and bad C．better and better 【答案】C 【详解】句意：在老师的帮助下，吉姆的英语口语越来越好。 考查比较级。good好的，形容词；well好地，副词，better and better越来越好。根据语境“With the teacher’s help”可知，他英语说地越来越好，“越来越”比较级+and+比较级，用来修饰动词does，所以用well的比较级，better and better。故选C。 9．I like 97.8 FM radio station best in our city because the DJs choose songs ________. A．careful B．the most carefully C．carefully 【答案】B 【详解】句意：我最喜欢我们城市的97.8调频广播电台，因为主持人们选歌最仔细。 考查副词的用法和最高级。根据成分分析可知，此空应用副词carefully修饰动词“choose（选择）”，故排除A；根据语境可知，此处是把97.8调频广播电台的主持人的认真程度和全城的主持人的认真程度进行比较，三者及以上的比较应用最高级，“the most carefully”为最高级。故选B。 10．Of all the clothes stores, you can buy clothes ________ in Blue Moon. A．cheaper B．the most cheaply C．the cheapest 【答案】B 【详解】句意： 在所有服装店中，你在蓝月亮服装店能以最便宜的价格买到衣服。 考查副词的最高级。cheaper更便宜的，形容词比较级；the most cheaply最便宜地，副词最高级；the cheapest最便宜的，形容词最高级。根据“Of all the clothes stores, you can buy clothes ... in Blue Moon.”可知，Of all the clothes stores“在所有的服装店里”表明比较范围是三者及以上，需用最高级形式；空处应填入副词修饰动词buy，cheaply是副词，其最高级形式为the most cheaply。故选B。 11．—Our class did well in the school singing competition. —Yes, you sang ________ of all. A．beautifully B．more beautifully C．most beautiful D．most beautifully 【答案】D 【详解】句意：——我们班在学校歌唱比赛中表现出色。 ——是的，你们唱得最动听。 考查副词最高级。beautifully“美好地；美妙地”，副词；more beautifully“更美妙地”，比较级；most beautiful“最美丽的”，形容词最高级；most beautifully“最美妙地”，副词最高级。根据“you sang … of all.”可知，此处是指在所有班级当中唱得最动听，应用副词“beautifully”的最高级，修饰动词“sang”。故选D。 12．—Which group performed ______ in the English class? —Group One. They had a better discussion than the other three groups. A．most successfully B．more successful C．more successfully 【答案】A 【详解】句意：——哪个小组在英语课上表现得最成功？ ——第一组。他们的讨论比其他三组讨论得更好。 考查副词最高级。perform为动词，应用副词successfully修饰，根据“in the English class”及“the other three groups”可知，此处表示在一定范围内，多个小组中哪一个是最成功的，应用副词的最高级most successfully。故选A。 13．—Our class did well in the boys’ relay race. —Yes, and you ran ________ of all. A．the fastest B．the slowest C．the farthest 【答案】A 【详解】句意：——我们班在男子接力赛中表现很棒。——是的，而且你是所有选手中跑得最快的。 考查副词最高级。the fastest最快地；the slowest最慢地；the farthest最远地。根据“Our class did well in the boys’ relay race.”可知，班级表现好，应该是跑得快，且根据范围“of all”和动词“ran”可知，此空用副词最高级。故选A。 14．I always go to OuYa Supermarkets because they have the friendliest service and I can buy the vegetables ________. A．the most cheaply B．cheap C．cheaper D．cheapest 【答案】A 【详解】句意：我总是去欧雅超市，因为他们有最友好的服务，我可以买到最便宜的蔬菜。 考查副词最高级。cheap便宜的，形容词，比较级是cheaper，最高级是cheapest；cheaply便宜地，副词。此空修饰动词buy，应用副词，结合“the friendliest”可知，此处应用最高级，故选A。 15．Of all the singers on the stage, Rita sings the words ________. That’s the reason why I like her. A．clear B．clearly C．more clearly D．the most clearly 【答案】D 【详解】句意：在舞台上所有的歌手中，丽塔唱得最清楚。这就是我喜欢她的原因。 考查副词的最高级。clear清楚的，形容词；clearly清楚地，副词；more clearly更清楚地，比较级；the most clearly最清楚地，最高级。根据“Of all the singers on the stage”可知，三者以上的比较用最高级，此处在句中修饰动词，用副词最高级。故选D。 16．Of all the chairs in this room, you can sit ________ in that one. A．more comfortable B．the most comfortable C．more comfortably D．the most comfortably 【答案】D 【详解】句意：在这个房间里所有的椅子中，你坐那把椅子最舒服。 考查最高级。根据“Of all the chairs”可知三者以上的比较用最高级，排除AC选项；此处修饰动词，应用副词的最高级，故选D。 17．The young man plans to watch a funny movie to cheer ________ up. A．him B．his C．himself D．he 【答案】C 【详解】句意：这个年轻人计划看一部有趣的电影来让自己开心起来。 考查代词辨析。him他，宾格人称代词；his他的，物主代词；himself他自己，反身代词；he他，主格人称代词。根据“The young man plans to watch a funny movie to cheer…up.”可知，此处应该填入反身代词himself，作宾语，表达这个年轻人计划看一部有趣的电影来让自己开心起来。故选C。 18．—Mary plays chess so well. Who taught her? —She learned it by ________. She is interested in it very much. A．herself B．yourself C．myself 【答案】A 【详解】句意：——玛丽下棋下得真好。谁教她的？——她自学的。她对它非常感兴趣。 考查反身代词。herself她自己；yourself你自己；myself我自己。根据“She learned it by...She is interested in it very much.”可知，玛丽是自己学的，主语是“She”，因此反身代词用herself。故选A。 19．The little dog is too young to take care of ________. Let’s look after it. A．yourself B．myself C．itself D．himself 【答案】C 【详解】句意：这只小狗太小了，无法照顾它自己。我们来照顾它吧。 考查反身代词辨析。 yourself 你自己；myself 我自己； itself 它自己；himself 他自己 。根据“The little dog is too young to take care of ...”可知，应该是小狗太小而无法照顾“它自己”。故选C。 20．—Who taught ________ history last year? —Nobody! He learnt it by ________. A．him; himself B．his; himself C．himself; himself D．his; him 【答案】A 【详解】句意：——去年谁教他历史？——没人！他自学的。 考查代词辨析。him他，宾格；himself他自己，反身代词；his他的，物主代词。动词teach后接人称代词宾格him；learn by oneself 表示“自学”。故选A。 21．Today is Ms. Smith’s birthday, and she wants to buy ________ some beautiful flowers. A．itself B．ourselves C．herself 【答案】C 【详解】句意：今天是史密斯女士的生日，她想给自己买些漂亮的花。 考查反身代词。itself它自己；ourselves我们自己；herself她自己。此句的主语是she，反身代词要用同一人称的反身代词herself，故选C。 22．Boys and girls, you should look after ________ when your parents are not at home. A．you B．yours C．yourself D．yourselves 【答案】D 【详解】句意：孩子们，父母不在家的时候，你们要照顾好自己。 考查反身代词。you你，你们；yours你的，你们的；yourself你自己；yourselves你们自己。根据“Boys and girls, you should look after...when your parents are not at home.”可知，此处指照顾自己，结合“Boys and girls”，应是“照顾你们自己”，用反身代词yourselves。故选D。 23．Girls, be careful of the machine, or you may hurt ________. A．myself B．themselves C．yourself D．yourselves 【答案】D 【详解】句意：姑娘们，小心这台机器，否则你们会伤到自己的。 考查代词辨析。myself我自己；themselves他们自己；yourself你自己；yourselves你们自己。根据“Girls”以及“you may hurt”可知是会伤到你们自己，用反身代词yourselves 。故选D。 24．I can finish my homework ________. A．himself B．myself C．yourself 【答案】B 【详解】句意：我能自己完成我的家庭作业。 考查反身代词辨析。himself他自己；myself我自己；yourself你自己/你们自己。句子主语是I，反身代词要与主语对应，表示我自己。故选B。 25．Linda, this question is easy. I think you can answer it by ________. A．myself B．himself C．herself D．yourself 【答案】D 【详解】句意：琳达，这个问题很简单。我想你可以自己回答。 考查代词辨析。myself我自己；himself他自己；herself她自己；yourself你自己。根据“I think you can answer it by...”可知，主语是you，所以此处用yourself。故选D。 26．—Did you enjoy ________ at the party? —Yes, I did. A．yourself B．herself C．himself D．themselves 【答案】A 【详解】句意：——你在聚会上玩得开心吗？——是的，很开心。 考查反身代词的用法。yourself你自己；herself她自己；himself他自己；themselves他们自己。enjoy oneself表示“玩得开心”，根据答语中的“I”可知，问的是“你玩得开心吗”，要用yourself。故选A。 27．Dear friends, come here and help ________ to the delicious dishes. A．you B．your C．yours D．yourselves 【答案】D 【详解】句意：亲爱的朋友们，过来随便享用这些美味的菜肴。 考查反身代词的用法。you你；你们；your你的；你们的；yours你的；你们的（东西）；yourselves你们自己。根据“help...to the dishes”可知，此处需用固定搭配“help oneself to sth.”，表示“随便吃/取用某物”。主语“friends”为复数，所以反身代词用“yourselves”（你们自己）。故选D。 28．Helen spent most of the time practicing and really enjoyed ________ during the Winter Olympic Games. A．her B．him C．herself D．himself 【答案】C 【详解】句意：海伦在冬奥会期间大部分时间都在训练，并且她自己真的玩得很开心。 考查代词辨析。her她/她的，宾格/形容词性物主代；him他，宾格；herself她自己，反身代词；himself他自己，反身代词。根据“enjoyed”可知，“enjoy oneself”是固定短语，表示“玩得开心”；这里主语是“Helen”，是女性，所以用反身代词“herself”。故选C。 29．“Help ________ to some meat, Mary,” my aunt said to me. A．themselves B．ourselves C．yourself D．himself 【答案】C 【详解】句意：“玛丽，随便吃点肉吧，” 我阿姨对我说。 考查反身代词辨析。themselves他们自己；ourselves我们自己；yourself你自己；himself他自己。help oneself to...是常用表达，意为“随便吃/用……”，这里是阿姨对“我（Mary）”说，面向的是对方“你”，应用yourself。故选C。 30．—Jim, you don’t seem to be quite ________. What’s the matter with you? —I have a bad headache. A．you B．yours C．yourselves D．yourself 【答案】D 【详解】句意：——吉姆，你好像不太对劲。你怎么了？——我头痛得厉害。 考查代词。you你，代词主格或宾格；yours你的，名词性物主代词；yourselves你们自己，反身代词；yourself你自己，反身代词。根据“I have a bad headache”可知，Jim今天状态不好，be oneself意为“处于正常状态”，固定用法。故选D。 二、单词拼写(本大题共20小题，每小题2分，共40分) 31．In our opinion, protecting the environment is protecting (our). 【答案】ourselves 【详解】句意：在我们看来，保护环境就是保护我们自己。根据“protecting the environment is protecting...(our)”和常识可知，保护环境就是保护我们自己，空处应是反身代词ourselves。故填ourselves。 32．The story (it) is very interesting, but the way he tells it is a bit boring. 【答案】itself 【详解】句意：故事本身很有趣，但他讲故事的方式有点无聊。空白处需填入反身代词itself，强调“故事本身”，以避免与后半句的“it”（指代故事）重复。故填itself。 33．The kids enjoyed (they) at the party last night. They played games and ate a lot of delicious food. 【答案】themselves 【详解】句意：孩子们在昨晚的派对上玩得很开心。他们玩游戏，吃了很多美味的食物。enjoy oneself“玩得开心”，此处用they的反身代词themselves，意为“他们自己”。故填themselves。 34．Help (you) to some noodles, boys and girls. 【答案】yourselves 【详解】句意：孩子们，请随便吃些面条。“help oneself to sth”是常用表达，意为“随便吃/用某物”；根据“boys and girls”可知，对应的反身代词应为yourselves“你们自己”。故填yourselves。 35．Some teenagers keep secrets to (them) instead of telling them to the parents. 【答案】themselves 【详解】句意：一些青少年把秘密藏在自己心里，而不是告诉父母。keep secrets to oneself意为“把秘密藏在自己心里”，主语Some teenagers是复数，对应的反身代词是themselves，在句中作宾语。故填themselves。 36．When I first came to the class, the teacher asked me to introduce (I). 【答案】myself 【详解】句意：当我第一次来到这个班级时，老师让我做自我介绍。introduce是及物动词，后接宾语；结合主语“I”可知，此处表示“介绍自己”，用反身代词myself“我自己”。故填myself。 37．When I was of your age, I knew much (little) than you. 【答案】less 【详解】句意：在我是你这个年纪的时候，我知道的比你少得多。根据“much ... than”可知，空处用比较级，little的比较级是less“更少”。故填less。 38．He learned (slow) than his brother. 【答案】more slowly 【详解】句意：他学得比他哥哥慢。此处修饰动词learned用副词slowly“慢地”，根据“than”可知此处用副词的比较级more slowly。故填more slowly。 39．She sings (good) than her sister. 【答案】better 【详解】句意：她唱歌唱得比她姐姐好。good好的，形容词；根据“She sings...than...”可知，此处应用副词的比较级修饰动词“sings”，good的副词形式是“well”，well的比较级是“better”。故填better。 40．The (wisely) you spend your pocket money, the happier your life will be. 【答案】more wisely 【详解】句意：你越明智地花费你的零花钱，你的生活就会越幸福。wisely“明智地”，副词，分析可知此处符合“the+ 比较级 ，the+ 比较级”结构, 表示“越……，就越……”，故填more wisely。 41．It was raining even (heavy) when you returned home yesterday. 【答案】more heavily 【详解】句意：昨天你回家的时候，雨下得甚至更大了。rain是动词，意思是“下雨”，需要用副词来修饰。heavy是形容词，副词形式是heavily；even常用来修饰比较级，强调程度的进一步加深；heavily是多音节副词，其比较级是more heavily，表示“更大程度地；更猛烈地”。故填more heavily。 42．Lisa plays tennis (well) than me. 【答案】better 【详解】句意：Lisa打网球比我打得好。根据“than”可知，此处用比较级，well的比较级为better。故填better。 43．The doctor advised me to eat more (health) and do more exercise than before. 【答案】healthily 【详解】句意：医生建议我比以前吃得更健康，多运动。分析句子结构可知，此处用副词形式，修饰动词“eat”，healthily“健康地”，比较级为more healthily。故填healthily。 44．Can you speak it a little (clear) for the softball team? 【答案】more clearly 【详解】句意：你能为垒球队讲得更清楚一点吗？此处修饰动词speak，应该用副词clearly“清楚地”；a little修饰比较级，此处应该用副词比较级more clearly“更清楚地”。故填more clearly。 45．He speaks English (badly) in his class. 【答案】worst/the worst 【详解】句意：他的英语在班上说得最差。根据“in his class.”可知，此处用副词最高级修饰动词speaks，badly的最高级为worst，副词的最高级前可加定冠词the，也可不加。故填(the) worst。 46．Bill lives the (far) from school. He has to get up early to catch the early bus. 【答案】farthest/furthest 【详解】句意：比尔住的离学校最远。为了赶上早班车，他不得不早起。根据“Bill lives the”可知，此处指住得最远，表示距离最远用far的最高级farthest或furthest，故填farthest/furthest。 47．Tim looks after his pet dog (carefully) of all the boys. 【答案】the most carefully/most carefully 【详解】句意：Tim照顾他的宠物狗是所有男孩中最细心的。此空为副词修饰动词，根据“ of all the boys.”可知此处用副词最高级，the可省略。故填the most carefully/most carefully。 48．Mary writes in her class. (beautifully) 【答案】the most beautifully/most beautifully 【详解】句意：玛丽在班上写字写得最漂亮。beautifully“漂亮地”，副词。根据“in her class”可知，应用最高级，根据“writes”可知，修饰动词应用副词，故应用beautifully的最高级，the most beautifully或most beautifully。故填(the) most beautifully。 49．Don’t be too hard on (you). 【答案】yourself 【详解】句意：别对自己太苛刻。be hard on sb表示“对某人苛刻”，固定短语；主语是“you”，宾语需与主语指代同一人，故用you的反身代词yourself，故填yourself。 50．The old man lives by (he), but he doesn’t feel lonely. 【答案】himself 【详解】句意：这位老人独自生活，但他并不感到孤独。by oneself “独自”，固定短语，所给词he的反身代词是himself。故填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 $ 班级 姓名 学号 分数 Unit 3 To be a good learner 副词的比较级最高级和反身代词 （时间：60分钟，满分：100分） 1、 单项选择(本大题共30小题，每小题2分，共60分) 1．He runs much ________ than ________. A．fast; me B．faster; mine C．fast; mine D．faster; me 2．Bees and ants work ________ than most animals. A．hard B．harder C．the harder 3．He does homework ________ than his classmates. A．more careful B．most carefully C．more carefully D．carefully 4．—Which sport do you like ________, swimming or running? —I like swimming better. A．good B．well C．better D．best 5．We are glad to see the company developing ________ these years than before. A．very quickly B．less quickly C．more quicker D．more quickly 6．My brother used to go to school ________ than other students. A．much early B．much earlier C．more earlier D．more early 7．She eats _________ than any other sister, so she is the ________ child in her family. A．healthier, healthiest B．more healthy, most healthy C．more healthily, healthiest D．more healthier, healthiest 8．With the teacher’s help, Jim does ________ in speaking English. A．good and bad B．well and bad C．better and better 9．I like 97.8 FM radio station best in our city because the DJs choose songs ________. A．careful B．the most carefully C．carefully 10．Of all the clothes stores, you can buy clothes ________ in Blue Moon. A．cheaper B．the most cheaply C．the cheapest 11．—Our class did well in the school singing competition. —Yes, you sang ________ of all. A．beautifully B．more beautifully C．most beautiful D．most beautifully 12．—Which group performed ______ in the English class? —Group One. They had a better discussion than the other three groups. A．most successfully B．more successful C．more successfully 13．—Our class did well in the boys’ relay race. —Yes, and you ran ________ of all. A．the fastest B．the slowest C．the farthest 14．I always go to OuYa Supermarkets because they have the friendliest service and I can buy the vegetables ________. A．the most cheaply B．cheap C．cheaper D．cheapest 15．Of all the singers on the stage, Rita sings the words ________. That’s the reason why I like her. A．clear B．clearly C．more clearly D．the most clearly 16．Of all the chairs in this room, you can sit ________ in that one. A．more comfortable B．the most comfortable C．more comfortably D．the most comfortably 17．The young man plans to watch a funny movie to cheer ________ up. A．him B．his C．himself D．he 18．—Mary plays chess so well. Who taught her? —She learned it by ________. She is interested in it very much. A．herself B．yourself C．myself 19．The little dog is too young to take care of ________. Let’s look after it. A．yourself B．myself C．itself D．himself 20．—Who taught ________ history last year? —Nobody! He learnt it by ________. A．him; himself B．his; himself C．himself; himself D．his; him 21．Today is Ms. Smith’s birthday, and she wants to buy ________ some beautiful flowers. A．itself B．ourselves C．herself 22．Boys and girls, you should look after ________ when your parents are not at home. A．you B．yours C．yourself D．yourselves 23．Girls, be careful of the machine, or you may hurt ________. A．myself B．themselves C．yourself D．yourselves 24．I can finish my homework ________. A．himself B．myself C．yourself 25．Linda, this question is easy. I think you can answer it by ________. A．myself B．himself C．herself D．yourself 26．—Did you enjoy ________ at the party? —Yes, I did. A．yourself B．herself C．himself D．themselves 27．Dear friends, come here and help ________ to the delicious dishes. A．you B．your C．yours D．yourselves 28．Helen spent most of the time practicing and really enjoyed ________ during the Winter Olympic Games. A．her B．him C．herself D．himself 29．“Help ________ to some meat, Mary,” my aunt said to me. A．themselves B．ourselves C．yourself D．himself 30．—Jim, you don’t seem to be quite ________. What’s the matter with you? —I have a bad headache. A．you B．yours C．yourselves D．yourself 二、单词拼写(本大题共20小题，每小题2分，共40分) 31．In our opinion, protecting the environment is protecting (our). 32．The story (it) is very interesting, but the way he tells it is a bit boring. 33．The kids enjoyed (they) at the party last night. They played games and ate a lot of delicious food. 34．Help (you) to some noodles, boys and girls. 35．Some teenagers keep secrets to (them) instead of telling them to the parents. 36．When I first came to the class, the teacher asked me to introduce (I). 37．When I was of your age, I knew much (little) than you. 38．He learned (slow) than his brother. 39．She sings (good) than her sister. 40．The (wisely) you spend your pocket money, the happier your life will be. 41．It was raining even (heavy) when you returned home yesterday. 42．Lisa plays tennis (well) than me. 43．The doctor advised me to eat more (health) and do more exercise than before. 44．Can you speak it a little (clear) for the softball team? 45．He speaks English (badly) in his class. 46．Bill lives the (far) from school. He has to get up early to catch the early bus. 47．Tim looks after his pet dog (carefully) of all the boys. 48．Mary writes in her class. (beautifully) 49．Don’t be too hard on (you). 50．The old man lives by (he), but he doesn’t feel lonely. 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 $