期中语法复习（现在完成时，动词不定式和动名词作宾语）-2026-2027学年八年级英语上册（外研版）

学校:___________姓名：___________班级：___________考号：___________ 期中复习之单元语法综合练 (Units 1-3) Unit 1-2 现在完成时 Unit 3 Make it happen! 动词不定式和动名词作宾语 一、单项选择 1．—Where is Lisa? —She ________ the local cultural centre. She will come back in three hours. A．has been to B．has gone to C．has been in D．went to 2．—Where is your exchange partner? —He ________ to try Chinese tea. He will be back soon. A．has been B．has gone C．was going D．goes 3．They have known each other ________ they were in primary school. A．for B．since C．already D．yet 4．—How long have you kept this friendship? —It ________ for three years. A．lasts B．lasted C．has lasted D．will last 5．The number of exchange students ________ greatly since the programme started. A．has increased B．have increased C．increased D．increases 6．With the help of teachers, I ________much progress in my maths since last year. A．have made B．made C．will make D．make 7．—Is Mr Li in the office? —No, he ________ the airport to meet the exchange students. A．has been to B．has gone to C．went to D．has been in 8．The exchange programme ________ since 2016. Thousands of students have benefited from it. A．started B．has started C．has run D．has been running 9．The exchange student has learned a lot about local culture ________. A．just now B．at the moment C．in the past 5 years D．in the future 10．Jack and I are in the same class. We ________ each other for three years. A．know B．knew C．have known D．will know 11．—How long have you ________ this school? —For two years. I came here when I was in Grade 7. A．been to B．gone to C．been in D．arrived at 12．My sister ________ already ________ her homework. She can go out now. A．has; finish B．has; finished C．had; finished D．will; finish 13．—Have you ________ thought about living on the moon? —Yes, it’s a crazy but possible idea. A．never B．ever C．yet D．already 14．—________ you ________ the housework? —Yes, I have. I finished it an hour ago. A．Did; do B．Have; done C．Will; do D．Do; do 15．My friend ________ the “Happy Holiday Sharing Party” twice, and won a prize last time. A．joins B．joined C．has joined D．will join 16．My brother is good at playing basketball. He ________ on the school basketball team for two years. A．Is B．was C．has been D．will be 17．She _______ the piano since she was five years old. A．plays B．has played C．played D．is playing 18．—________ you ________ the new learning method since last month? — Not yet. I’m still getting used to it. A．Do; try B．Are; try C．Have; tried D．Will; try 19．The average housing price in this downtown area has ________ since the year 2018. A．double B．doubled C．doubling D．doubles 20．My school ________ a new gym since last year. A．build B．builds C．built D．has built 21．Would you like to ________ me ________ the dinner? A．help; cook B．help; cooking C．helping; cook D．helping; cooking 22．He decided ________ to the mountains this weekend. A．go B．to go C．going D．went 23．The talented painter enjoyed being ________ in a quiet park and tried ________ everything he saw when he was young. A．alone; to draw B．lonely; to draw C．alone; draw D．lonely; drawing 24．—I’m sorry I ________ my homework at home. —That’s all right. Don’t forget ________ it to school this afternoon. A．forgot; to get B．forgot; bringing C．left; talking D．left; to bring 25．I want ________ you in our latest computer. A．to interest B．interesting C．interested D．interest 26．—Why did you argue with your classmate? —Because he refused ________ his stationery with me during the exam. A．share B．sharing C．to share D．shared 27．We need to ________ the arrangements before guests arrive. A．discuss B．discusses C．discussing D．to discuss 28．—Why did you argue with your friend? —Because he refused ________ his toy with me. A．share B．sharing C．to share D．shared 29．When you try to memorize new words, you are supposed ________ what you have learnt in real‑life situations. A．use B．to use C．using D．to using 30．Don’t forget ________ some milk to the coffee. It will taste better. A．add B．adding C．to add D．added 31．We should spend as much time as possible ________ along well with our parents. A．get B．to get C．getting D．gets 32．We should stop ______ down forests so that wild animals can have enough places to live. A．cut B．to cut C．cutting D．cuts 33．We should do what we can ________ hunters ________ wild animals. A．to prevent; killing B．to prevent; to kill C．prevent; killing D．prevent; to kill 34．Would you mind ________ the window? It’s too noisy outside. A．close B．closing C．to close D．closed 35．—What do you plan to do this weekend? —I don’t ________ having a trip. I ________ to stay at home. A．would like; would like B．feel like; feel like C．would like; feel like D．feel like; would like 36．They enjoyed ________ in the sea yesterday. A．swim B．to swim C．swimming D．swam 37．I usually spend one hour ________ yoga every evening to relax myself. A．practice B．to practice C．practicing D．practiced 38．Don’t give up ________ your dream no matter how many difficulties you meet. A．chase B．to chase C．chasing D．chased 39．He spent nearly two months ________ around western mountains to enjoy natural wonders. A．travel B．travelling C．to travel D．travelled 40．My brother spent three hours ________ a shelf on the wall yesterday. A．put up B．putting up C．to put up D．puts up 二、单词拼写 41．The population of the small village ________ (double) in the past ten years. 42．Lin Tong ________ (write) all the words in her notebook already. 43．Uncle Tom ________ (give) away books to this village school for 20 years. 44．Throughout history, people ________ (search) for hidden treasures in these mountains. 45．The football team ________ (win) five matches in a row since the season started. 46．They ________ (overcome) many challenges together since they became friends. 47．Scientists ________ (develop) a new type of solar energy so far. 48．My father ________ (connect) his computer to the WiFi already. 49．The girl expects ________ (become) a famous writer, so she always tries her best to write. 50．The invention of zero makes it easier for us ________ (write) numbers. 51．She tries ________ (teach) herself more difficult spelling words in her spare time. 52．You should learn ________ (balance) study and rest. 53．When you leave the classroom, remember ________ (turn) off the lights. 54．You are supposed ________ (learn) from your own mistakes. 55．I find it hard ________ (understand) some grammar points. 56．Would you mind ________ (open) the window? I want to watch the birds outside.​ 57．Many visitors like to buy some Huishan clay figures and take them home after ________ (visit) Wuxi. 58．We should use less plastic to avoid ________ (harm) our planet. 59．Everyone should play a role in ________ (protect) our environment. 60．We can help wild animals by ______ (donate) money to animal protection organizations. 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：___________ 期中复习之单元语法综合练 (Units 1-3) Unit 1-2 现在完成时 Unit 3 Make it happen! 动词不定式和动名词作宾语 一、单项选择 1．—Where is Lisa? —She ________ the local cultural centre. She will come back in three hours. A．has been to B．has gone to C．has been in D．went to 【答案】B 【详解】句意：—— 莉萨在哪里？—— 她去当地文化中心了，三小时后回来。 has been to表示去过某地，人已经返回；has gone to表示去了某地，人还在目的地，没有回来；has been in表示在某地待了多久，后面常接时间段；went to是一般过去时，只描述过去动作，不体现现在人在哪里。根据“She will come back in three hours.”可知Lisa现在还没有回来。应填has gone to。 2．—Where is your exchange partner? —He ________ to try Chinese tea. He will be back soon. A．has been B．has gone C．was going D．goes 【答案】B 【详解】句意：——你的交换生伙伴在哪？——他去品尝中国茶了，很快就回来。 has been to表示去过某地，人已经回来；has gone to表示去了某地，人还未回来。was going是过去将来时，goes是一般现在时。根据“He will be back soon.”可知他人还在那边没有回来。应填has gone。 3．They have known each other ________ they were in primary school. A．for B．since C．already D．yet 【答案】B 【详解】句意：他们从小学起就认识彼此了。 现在完成时中，for后接表示一段时间的名词短语，不能接完整的时间状语从句；since后可接表示过去时间点的从句，用于表示动作从过去某一时间点开始持续到现在，契合本题语境。already和yet均为副词，通常直接置于完成时的谓语结构附近，无法引导后续的从句，不符合句子语法结构，应填since。 4．—How long have you kept this friendship? —It ________ for three years. A．lasts B．lasted C．has lasted D．will last 【答案】C 【详解】句意：——你保持这段友谊多久了？——它已经持续三年了。 问句询问友谊持续多久，答语“for three years”，说明持续了三年，动作从过去持续到现在，应用现在完成时，其构成为have/has done，应选has lasted。 5．The number of exchange students ________ greatly since the programme started. A．has increased B．have increased C．increased D．increases 【答案】A 【详解】句意：自从项目启动以来，交换生的人数大幅增长。 increase“增长”，是动词，根据“since the programme started”可知句子时态为现在完成时，其谓语结构为“have/has+done”，而the number of+复数名词作主语时，谓语动词用单数，所以助动词应用has，故选A。 6．With the help of teachers, I ________much progress in my maths since last year. A．have made B．made C．will make D．make 【答案】A 【详解】句意：在老师的帮助下，自从去年以来我在数学方面已经取得了很大进步。 since last year是现在完成时的典型时间状语，表示动作从过去持续到现在或对现在造成影响。A 项是现在完成时结构。 7．—Is Mr Li in the office? —No, he ________ the airport to meet the exchange students. A．has been to B．has gone to C．went to D．has been in 【答案】B 【详解】句意：——李老师在办公室吗？——不在，他去机场接交换生了。 has been to去过某地已回来；has gone to去了某地还没回来；went to去了；has been in一直待在。根据答语“No”说明李老师此刻不在办公室，去了机场。went to是一般过去时，只陈述过去的事实，不强调与现在的联系。has been in表示“在某地待了多久”，常与for/since连用，不符合此处语境。应填has gone to。 8．The exchange programme ________ since 2016. Thousands of students have benefited from it. A．started B．has started C．has run D．has been running 【答案】D 【详解】句意：这个交换项目自2016年以来一直在运行，成千上万的学生从中受益。 根据“since 2016”可知，动作从过去持续到现在并且仍在进行，应选has been running。 9．The exchange student has learned a lot about local culture ________. A．just now B．at the moment C．in the past 5 years D．in the future 【答案】C 【详解】句意：这名交换生在过去五年里已经了解了很多当地文化。 just now刚才；at the moment此刻；in the past 5 years在过去五年里；in the future在将来。句中谓语has learned为现在完成时，该时态常与表示一段时间的时间状语连用，in the past 5 years适配现在完成时的时态要求。 10．Jack and I are in the same class. We ________ each other for three years. A．know B．knew C．have known D．will know 【答案】C 【详解】句意：杰克和我在同一个班。我们互相认识三年了。 根据“for three years”可知，动作从过去持续到现在，应用现在完成时“have/has+动词过去分词”，主语为We，助动词用have。 11．—How long have you ________ this school? —For two years. I came here when I was in Grade 7. A．been to B．gone to C．been in D．arrived at 【答案】C 【详解】句意：——你在这所学校待多久了？——两年了。我七年级的时候来到这里。 been to去过；gone to去了；been in待在；arrived at到达。根据答句“For two years.”可知，此处表示在这所学校待了多长时间，且句子是延续性状态，应填been in。 12．My sister ________ already ________ her homework. She can go out now. A．has; finish B．has; finished C．had; finished D．will; finish 【答案】B 【详解】句意：我妹妹已经完成了她的作业。她现在可以出去了。 根据句中的标志词“already”可知，句子应用现在完成时，其结构为have/has+动词过去分词。主语“My sister”为第三人称单数，助动词用has，finish的过去分词为finished。应选用has; finished。 13．—Have you ________ thought about living on the moon? —Yes, it’s a crazy but possible idea. A．never B．ever C．yet D．already 【答案】B 【详解】句意：——你曾经想过住在月球上吗？——是的，这是一个疯狂但可能的想法。 never从不；ever曾经；yet还，已经；already已经。根据“Have you ________ thought about living on the moon?”可知，此处是现在完成时的一般疑问句，询问是否有过某种经历，应用ever。never用于否定句；yet多用于否定句或疑问句句末；already多用于肯定句。故选B。 14．—________ you ________ the housework? —Yes, I have. I finished it an hour ago. A．Did; do B．Have; done C．Will; do D．Do; do 【答案】B 【详解】句意：—你做完家务了吗？—是的，我做完了。我一小时前就完成了。 根据答语“Yes, I have.”可知，问句应用现在完成时，其结构为“Have/Has + 主语 + 动词过去分词”。do的过去分词是done。 15．My friend ________ the “Happy Holiday Sharing Party” twice, and won a prize last time. A．joins B．joined C．has joined D．will join 【答案】C 【详解】句意：我的朋友已经参加过两次“快乐假期分享派对”，并且上次获了奖。 根据句中关键词“twice”可知，此处表示过去发生的动作对现在造成的影响或经历，应用现在完成时。主语“My friend”是第三人称单数，助动词用has。应填has joined。 16．My brother is good at playing basketball. He ________ on the school basketball team for two years. A．Is B．was C．has been D．will be 【答案】C 【详解】句意：我哥哥擅长打篮球。他在学校篮球队已经待了两年了。 根据时间状语“for two years”可知，动作从过去持续到现在，强调状态的延续，需用现在完成时。其结构是“have/has+动词的过去分词”，主语是第三人称单数，助动词用has；been是动词be的过去分词。 17．She _______ the piano since she was five years old. A．plays B．has played C．played D．is playing 【答案】B 【详解】句意：她从五岁起就开始弹钢琴了。 plays演奏，动词单三形式；has played现在完成时形式；played过去式、过去分词；is playing现在进行时形式。句中since是现在完成时的标志，结构为“have/has+动词过去分词”，句中主语“She”是第三人称单数形式，所以句中空格处需填入has played，符合语境。故选B。 18．—________ you ________ the new learning method since last month? — Not yet. I’m still getting used to it. A．Do; try B．Are; try C．Have; tried D．Will; try 【答案】C 【详解】句意：——自从上个月以来你尝试过新的学习方法吗？——还没有。我仍在适应它。 根据时间状语“since last month”以及答语“Not yet”可知，句子应用现在完成时，结构为“have/has+动词过去分词”。主语是you，助动词用have，句首首字母需大写，try的过去分词是tried， 19．The average housing price in this downtown area has ________ since the year 2018. A．double B．doubled C．doubling D．doubles 【答案】B 【详解】句意：自2018年以来，这个市中心区域的平均房价已经翻倍。 句中有“since the year 2018”，是现在完成时的标志，结构为have/has+动词过去分词。double的过去分词是doubled。应选doubled。 20．My school ________ a new gym since last year. A．build B．builds C．built D．has built 【答案】D 【详解】句意：自从去年以来，我的学校已经建了一个新体育馆。 根据时间状语“since last year”可知，句子应用现在完成时，应填has built。 21．Would you like to ________ me ________ the dinner? A．help; cook B．help; cooking C．helping; cook D．helping; cooking 【答案】A 【详解】句意：你愿意帮我做晚饭吗？ would like to do sth. 意为“想要做某事”，to后接动词原形，排除 C、D项；help sb (to) do sth.意为“帮助某人做某事”，后接动词原形，排除B。 22．He decided ________ to the mountains this weekend. A．go B．to go C．going D．went 【答案】B 【详解】句意：他决定这个周末去山里。 固定搭配decide to do sth.意为“决定做某事”，decide后接动词不定式。故选B。 23．The talented painter enjoyed being ________ in a quiet park and tried ________ everything he saw when he was young. A．alone; to draw B．lonely; to draw C．alone; draw D．lonely; drawing 【答案】A 【详解】句意：这位有天赋的画家年轻时喜欢独自待在安静的公园里，并努力画出他所看到的一切。 alone侧重客观状态“独自”，lonely侧重主观感受“孤独”；try to do表示“努力做”，try doing表示“尝试做”，且 try 后不接动词原形。根据“enjoyed being...in a quiet park”可知是享受独处的客观状态，第一空填alone；根据语境画家努力描绘所见之物及语法规则，第二空填to draw。因此选A。 24．—I’m sorry I ________ my homework at home. —That’s all right. Don’t forget ________ it to school this afternoon. A．forgot; to get B．forgot; bringing C．left; talking D．left; to bring 【答案】D 【详解】句意：——对不起，我把作业落在家里了。——没关系。今天下午别忘了把它带到学校来。 forgot忘记；left留下；get得到；bring带来；talk谈论。根据“I...my homework at home.”可知，此处表示把作业落在家里，第一空用left；forget to do sth.表示“忘记去做某事”，forget doing sth.表示“忘记做过某事”，根据“Don’t forget...it to school this afternoon.”可知，此处是提醒对方下午要做的事，第二空应用不定式to bring。 25．I want ________ you in our latest computer. A．to interest B．interesting C．interested D．interest 【答案】A 【详解】句意：我想要使你对我们最新款的电脑产生兴趣。 want后接动词时需用不定式结构want to do sth.，表示“想要做某事”，此处指想要引起你的兴趣。应填to interest。 26．—Why did you argue with your classmate? —Because he refused ________ his stationery with me during the exam. A．share B．sharing C．to share D．shared 【答案】C 【详解】句意：——你为什么和你的同学争吵？——因为他在考试期间拒绝和我分享他的文具。 refuse to do sth“拒绝做某事”，是固定搭配，需用动词不定式to share，作宾语。 27．We need to ________ the arrangements before guests arrive. A．discuss B．discusses C．discussing D．to discuss 【答案】A 【详解】句意：我们需要在客人到达之前讨论安排。 根据固定搭配“need to do sth.”可知，to后接动词原形。 28．—Why did you argue with your friend? —Because he refused ________ his toy with me. A．share B．sharing C．to share D．shared 【答案】C 【详解】句意：——你为什么和朋友吵架？——因为他拒绝和我分享他的玩具。 refuse为动词，后接动词不定式作宾语，即refuse to do sth.，意为“拒绝做某事”。 29．When you try to memorize new words, you are supposed ________ what you have learnt in real‑life situations. A．use B．to use C．using D．to using 【答案】B 【详解】句意：当你努力记忆新单词的时候，你应该在真实生活场景中运用你学到的东西。 be supposed to do sth表示应该做某事，是固定短语，后接动词不定式，to use符合语法规范。 30．Don’t forget ________ some milk to the coffee. It will taste better. A．add B．adding C．to add D．added 【答案】C 【详解】句意：别忘了往咖啡里加些牛奶。味道会更好。 forget to do sth表示“忘记要去做某事（事情还没做）”；forget doing sth表示“忘记做过某事（事情已经做完）”。本句中“加牛奶”这件事还没有做，应使用forget to do结构，应填to add。 31．We should spend as much time as possible ________ along well with our parents. A．get B．to get C．getting D．gets 【答案】C 【详解】句意：我们应该尽可能多花时间和父母好好相处。 根据题干“spend as much time as possible…along with”可知，spend time (in) doing sth.是固定搭配，意为“花时间做某事”，此处需用动名词形式，应填getting。 32．We should stop ______ down forests so that wild animals can have enough places to live. A．cut B．to cut C．cutting D．cuts 【答案】C 【详解】句意：我们应该停止砍伐森林，这样野生动物才能有足够的地方生活。 “stop doing sth.”表示“停止正在做的事情”；“stop to do sth.”表示“停下来去做另一件事”。根据句意可知，是停止砍伐森林这个行为，应用“stop doing”结构。应填cutting。 33．We should do what we can ________ hunters ________ wild animals. A．to prevent; killing B．to prevent; to kill C．prevent; killing D．prevent; to kill 【答案】A 【详解】句意：我们应该尽我们所能阻止猎人猎杀野生动物。 第一空，此处表示“做我们能做的事来阻止……”，应该用动词不定式to prevent表示目的；第二空，prevent sb. (from) doing sth.是固定搭配，意为“阻止某人做某事”，用动名词killing。应填to prevent；killing。 34．Would you mind ________ the window? It’s too noisy outside. A．close B．closing C．to close D．closed 【答案】B 【详解】句意：你介意关上窗户吗？外面太吵了。 结合语句“Would you mind … the window? It's too noisy outside.”可知，mind doing sth是固定搭配，表示介意做某事，closing符合短语用法和句子语境。 35．—What do you plan to do this weekend? —I don’t ________ having a trip. I ________ to stay at home. A．would like; would like B．feel like; feel like C．would like; feel like D．feel like; would like 【答案】D 【详解】句意：——这个周末你计划做什么？——我不想要去旅行。我想要待在家里。 feel like意为“想要”，后接动名词doing；would like意为“想要”，后接不定式to do。根据第一空后“having”可知需用feel like；根据第二空后“to stay”可知需用would like。 36．They enjoyed ________ in the sea yesterday. A．swim B．to swim C．swimming D．swam 【答案】C 【详解】句意：他们昨天喜欢在海里游泳。 固定搭配enjoy doing sth.表示“喜欢做某事”，enjoy后接动名词作宾语。应填swimming。 37．I usually spend one hour ________ yoga every evening to relax myself. A．practice B．to practice C．practicing D．practiced 【答案】C 【详解】句意：我每晚通常花一小时练瑜伽放松自己。 固定句型spend time (in) doing sth，该句型表示“花费时间做某事”，其中介词in后需接动名词作宾语，in可以省略。practicing是practice的动名词形式，契合句型规则。 38．Don’t give up ________ your dream no matter how many difficulties you meet. A．chase B．to chase C．chasing D．chased 【答案】C 【详解】句意：无论遇到多少困难，都不要放弃追逐梦想。 固定搭配give up doing sth.“放弃做某事”，give up后接动名词。 39．He spent nearly two months ________ around western mountains to enjoy natural wonders. A．travel B．travelling C．to travel D．travelled 【答案】B 【详解】句意：他花了将近两个月的时间游历西部山区，欣赏自然奇观。 固定搭配“spend+时间+doing sth.”表示“花费时间做某事”，其后应接动名词，故填travelling。 40．My brother spent three hours ________ a shelf on the wall yesterday. A．put up B．putting up C．to put up D．puts up 【答案】B 【详解】句意：我哥哥昨天花了三个小时在墙上安装架子。 put up搭建/安装/张贴（动词原形）；putting up搭建/安装/张贴（动名词/现在分词）；to put up搭建/安装/张贴（动词不定式）；puts up搭建/安装/张贴（动词第三人称单数）。固定搭配：spend time (in) doing sth.意为“花费时间做某事”，后接动词的-ing形式。此处应填putting up。 二、单词拼写 41．The population of the small village ________ (double) in the past ten years. 【答案】has doubled 【详解】句意：这个小村庄的人口在过去十年间翻了一番。“in the past ten years”是现在完成时的标志时间状语，主语The population为单数概念，助动词选用has，double的过去分词形式是doubled，故填has doubled。 42．Lin Tong ________ (write) all the words in her notebook already. 【答案】has written 【详解】句意：林童已经把所有单词都写在她的笔记本上了。句中出现标志词already（已经），这是现在完成时的典型提示词，现在完成时的结构为“have/has + 动词的过去分词”；句子主语Lin Tong是第三人称单数，助动词要用has，动词write的过去分词是written，所以填has written。 43．Uncle Tom ________ (give) away books to this village school for 20 years. 【答案】 has given 【详解】句意：汤姆叔叔20年来一直给这所乡村学校赠送书籍。时间状语“for 20 years”提示时态为现在完成时，结构是“have/has + 动词过去分词”，主语Uncle Tom是第三人称单数，助动词用has，动词give的过去分词是given，故填has given。 44．Throughout history, people ________ (search) for hidden treasures in these mountains. 【答案】have searched 【详解】句意：纵观历史，人们一直在这些山里寻找隐藏的宝藏。时间标志词Throughout history（纵观历史）表示动作从过去开始，持续到现在，要用现在完成时（have/has + 过去分词）；主语people为复数，助动词用have，search的过去分词为searched。故填have searched。 45．The football team ________ (win) five matches in a row since the season started. 【答案】has won 【详解】句意：自从赛季开始，这支足球队已经连续赢了五场比赛。本句含有since引导的时间状语从句，主句要用现在完成时；the football team作主语视作单数，win是动词原形，对应的现在完成时形式是has won。 46．They ________ (overcome) many challenges together since they became friends. 【答案】have overcome 【详解】句意：自从成为朋友以来，他们一起克服了许多挑战。since引导时间状语从句是现在完成时的标志，主语They是复数，助动词用have，overcome的过去分词还是overcome。 47．Scientists ________ (develop) a new type of solar energy so far. 【答案】have developed 【详解】句意：到目前为止，科学家们已经研发出一种新型太阳能。时间标志词“so far”是现在完成时的标志，谓语结构为have/has + 动词过去分词；主语“scientists”是复数，助动词用have，develop的过去分词为developed。 48．My father ________ (connect) his computer to the WiFi already. 【答案】has connected 【详解】句意：我爸爸已经把他的电脑连上无线网络了。 句中包含关键词already，这是现在完成时的典型标志词，表示动作已经发生并对现在造成影响。现在完成时的基本结构为have/has+过去分词。主语My father是第三人称单数，因此助动词选用has。动词connect是规则动词，其过去分词直接在词尾加-ed，即connected。故填has connected。 49．The girl expects ________ (become) a famous writer, so she always tries her best to write. 【答案】to become 【详解】句意：这个女孩期待成为一名著名的作家，所以她总是尽全力写作。固定搭配expect to do sth.表示“期待做某事”，故填to become。 50．The invention of zero makes it easier for us ________ (write) numbers. 【答案】to write 【详解】句意：零的发明让我们书写数字变得更容易。make it+形容词+for sb. to do sth.意为“使某人做某事变得……”，it在这里作形式宾语，真正的宾语是后面的不定式，横线处要用动词不定式，故填to write。 51．She tries ________ (teach) herself more difficult spelling words in her spare time. 【答案】to teach 【详解】句意：她在空闲时间努力自学更难的拼写单词。try to do sth.意为“努力/尝试去做某事”，是固定短语，动词不定式作宾语，符合句子语境，所以，此处应为to teach。 52．You should learn ________ (balance) study and rest. 【答案】to balance 【详解】句意：你应该学会平衡学习和休息。括号内所给词为“balance”，“learn to do sth.”为固定结构，表示“学会做某事”，故填to balance。 53．When you leave the classroom, remember ________ (turn) off the lights. 【答案】to turn 【详解】句意：当你离开教室时，记得要关灯。固定搭配：remember to do sth“记得要去做某事（事情还没做）”，所以填to turn。 54．You are supposed ________ (learn) from your own mistakes. 【答案】to learn 【详解】句意：你应该从自己的错误中学习。be supposed to do sth为固定搭配，意为“应该做某事”，后接不定式to learn。 55．I find it hard ________ (understand) some grammar points. 【答案】to understand 【详解】句意：我发现理解一些语法点是很困难的。形式宾语结构find it+形容词+to do sth.；it充当形式宾语，用来代替后置的真正宾语不定式。故填to understand。 56．Would you mind ________ (open) the window? I want to watch the birds outside.​ 【答案】opening 【详解】句意：你介意打开窗户吗？我想看看外面的鸟。固定句型Would you mind doing sth.意为“你介意做某事吗”，mind后接动名词opening。 57．Many visitors like to buy some Huishan clay figures and take them home after ________ (visit) Wuxi. 【答案】visiting 【详解】句意：许多游客在游览无锡后，喜欢买一些惠山泥人带回家。句中“after”为介词，意为 “在……之后”，介词后需接动词的-ing形式（动名词）作宾语，visit的动名词形式为visiting，故填visiting。 58．We should use less plastic to avoid ________ (harm) our planet. 【答案】harming 【详解】句意：我们应该少用塑料来避免伤害我们的星球。avoid doing sth.是固定搭配，意为“避免做某事”，harm的动名词形式为harming。 59．Everyone should play a role in ________ (protect) our environment. 【答案】protecting 【详解】句意：每个人都应该在保护环境中发挥作用。固定短语play a role in doing sth.意为“在做某事中发挥作用”。介词in后面，动词要变成动名词形式，所以protect（动词原形，保护）变成protecting（动名词）。 60．We can help wild animals by ______ (donate) money to animal protection organizations. 【答案】donating 【详解】句意：我们可以通过向动物保护组织捐钱来帮助野生动物。根据“by”提示，介词后接动名词作宾语。donate的动名词形式是donating（去e加ing）。 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 $