Unit 8 Once upon a Time 单元语法（一般过去时与一般现在时的区别）-2025-2026学年七年级英语下册单元练习（人教版）

**基本信息** 聚焦初中英语一般过去时与一般现在时对比，通过表格系统梳理语法差异，题型覆盖基础应用与语境辨析，适配单元复习巩固时态运用能力。 **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|时态结构（如第1题动词过去式）、时间状语（如第2题last week）、动词辨析（如第10题rise/raise）|结合语境考查时态运用，体现语言能力；通过今昔对比题（如第28题）培养思维品质| |单词拼写|20题/40分|规则与不规则动词（如31题taught、33题fell）、时态对比（如41题brushes vs 31题taught）|注重基础词汇时态转换，强化学习能力；融入生活场景（如37题think）提升语言应用意识|

班级 姓名 学号 分数 Unit 8 Once upon a Time 一般过去时与一般现在时的区别 （时间：60分钟，满分：100分） 对比维度 一般现在时 一般过去时 基本结构 ① 非三单：动词原形② 三单：动词 + s/es否定 / 疑问：do/does ① 规则动词：+ed② 不规则动词：变对应过去式否定 / 疑问：did 核心含义 经常性、习惯性动作；客观事实 / 真理；主语能力 / 性格 过去某个时间发生的动作；过去的习惯 / 状态（现已终止） 时间状语 always, usually, often, every day/week, on Sundays, in the morning yesterday, last week/month, ...ago, just now, in 2020, the day before yesterday 动词使用 状态动词（like/know/see 等）正常使用 无特殊限制，状态 / 行为动词均可 例句 1. She walks to school every day. 2. Water boils at 100℃. 3. He speaks English well. 1. I watched TV yesterday evening. 2. They went to Shanghai last month. 3. She was a teacher 10 years ago. 一、单项选择(本大题共30小题，每小题2分，共60分) 1．I ______ a very funny day last Sunday. A．have B．has C．had D．am having 2．—How ________ your school trip last week? —It was great! We learned a lot about farming. A．is B．are C．was D．were 3．We ________ some photos of the mountains yesterday. A．take B．takes C．took D．are taking 4．They ________ a big dinner and ________ games after the trip. A．have; play B．had; played C．had; play D．have; played 5．I ________ feel nervous before meeting my bandmates, now I’m relaxed. A．used to B．didn’t use to C．use to D．was used to 6．We ______ to the mountains by bus yesterday morning. A．go B．went C．are going D．will go 7．—Did you see any animals in the zoo? —Yes, I ________ some cute pandas. A．see B．sees C．saw D．am seeing 8．They ________ in 2023 and have lived happily ever since. A．got married B．married with C．were marry D．get married 9．They ________ basketball yesterday, but they ________ football today. A．play; play B．played; play C．play; played D．played; played 10．The sun ________ in the east, and the little girl ________ her hand to say hello to it. A．rises; raises B．raises; rose C．rises; rises D．raises; raises 11．I ________ a kite in the park last Sunday afternoon. A．fly B．flies C．flew D．flying 12．My brother ________ a new bike last week. He likes riding it very much. A．buys B．bought C．is buying D．will buy 13．—Did you visit the museum last month? —________. I visited it with my classmates. A．Yes, I did B．No, I didn’t C．Yes, I do D．No, I don’t 14．The little fox ________ its food behind a big stone yesterday afternoon. A．hide B．hides C．hid D．hidden 15．She ________ in love with the old village as soon as she visited it. A．fall B．falls C．fell D．will fall 16．This pair of shoes looks ________, and ________ my trousers. May I________? A．well; match; try it on B．good; matches; try it on C．nice; matches; try them on D．good; match; try on them 17．Simon, ________ his brother, ________ playing baseball when he is free. A．likes; like B．likes; likes C．like; likes D．like; like 18．The river ________ into the sea at last. A．flows B．flow C．flying D．flew 19．My mother usually ________ up early every morning. A．get B．gets C．got D．will get 20．—________ your brother like animals? —Yes, he ________ with the dog every day. A．Does; plays B．Does; play C．Do; plays D．Do; play 21．Little by little, my brother’s confidence ________ and he dares to try new things. A．grows B．grew C．grow D．growing 22．Clean energy ________ more and more popular in modern society. A．become B．becomes C．became D．becoming 23．The sun ________ brightly and the silk dress looks beautiful. A．shine B．shines C．shone D．shining 24．Alice often ________ her friends to her house on weekends. A．invite B．invites C．invited D．inviting 25．My parrot ________ “Good morning” to me every day when I wake up. A．say B．says C．said D．saying 26．Alice ________ the book Alice in Wonderland very much and reads it every weekend. A．love B．loves C．loved D．loving 27．The little boy often _________ things _________ because it’s a good way to learn science. A．take...apart B．talk...apart C．takes...apart D．talks...apart 28．— How does your brother usually go to school? — He usually ________ to school, but he ________ his bike to school yesterday. A．walks; rode B．walked; rides C．walks; rides D．walk; rode 29．The beautiful girl ________ good ________swimming. A．is; in B．is; at C．are; of D．are; at 30．My mother always ________ at 6:00 in the morning. A．woke me up B．wakes me up C．wakes up me D．woke up me 二、单词拼写(本大题共20小题，每小题2分，共40分) 31．My mother ________ (teach) me how to pick vegetables last weekend. 32．He ________ (lend) me his storybook yesterday and I will return it tomorrow. 33．The boy ________ (fall) off his bike and hurt his leg. 34．The experience ________ (make) me want to work hard for a better future. 35．Their research ________ (achieve) great success last year. 36．I ________ (see) a lovely cat in the garden yesterday morning. 37．She ________ (think) carefully and found the true meaning of hard work. 38．The sun ________ (rise) slowly over the mountain when we woke up in the tent. 39．She ________ (forget) to take her sleeping bag and felt cold all night long. 40．We ________ (keep) our food in closed bags to stay away from wild animals. 41．My little sister ________ (brush) her teeth before going to bed. 42．Everyone in our class ________ (like) sports very much. 43．If we heat ice, it ________ (turn) into water. 44．She ________ (have) to get up early. 45．It often ________ (snow) in winter in Harbin. 46．The volunteers ________ (do) some shopping for the elderly every week. 47．My grandpa often ________ (water) the flowers in the community garden every morning. 48．My father usually ________ (fix) old bikes for the elderly on Sundays. 49．Tom usually ________ (go) to the theater to watch Beijing Opera with his dad. 50．She often ________ (practice) shadow puppetry after school. 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 8 Once upon a Time 一般过去时与一般现在时的区别 （时间：60分钟，满分：100分） 对比维度 一般现在时 一般过去时 基本结构 ① 非三单：动词原形② 三单：动词 + s/es否定 / 疑问：do/does ① 规则动词：+ed② 不规则动词：变对应过去式否定 / 疑问：did 核心含义 经常性、习惯性动作；客观事实 / 真理；主语能力 / 性格 过去某个时间发生的动作；过去的习惯 / 状态（现已终止） 时间状语 always, usually, often, every day/week, on Sundays, in the morning yesterday, last week/month, ...ago, just now, in 2020, the day before yesterday 动词使用 状态动词（like/know/see 等）正常使用 无特殊限制，状态 / 行为动词均可 例句 1. She walks to school every day. 2. Water boils at 100℃. 3. He speaks English well. 1. I watched TV yesterday evening. 2. They went to Shanghai last month. 3. She was a teacher 10 years ago. 一、单项选择(本大题共30小题，每小题2分，共60分) 1．I ______ a very funny day last Sunday. A．have B．has C．had D．am having 【答案】C 【详解】句意：上个星期天我度过了非常有趣的一天。 根据时间状语“last Sunday”可知，句子描述的是过去发生的事情，时态应为一般过去时，谓语动词用过去式had。 2．—How ________ your school trip last week? —It was great! We learned a lot about farming. A．is B．are C．was D．were 【答案】C 【详解】句意：——你上周的学校旅行怎么样？——很棒！我们学到了很多关于农耕的知识。 根据时间状语“last week”可知句子时态为一般过去时，主语“your school trip”是单数，be动词应用was。 3．We ________ some photos of the mountains yesterday. A．take B．takes C．took D．are taking 【答案】C 【详解】句意：我们昨天拍了一些山的照片。 根据句中时间状语“yesterday”可知，动作发生在过去，时态为一般过去时，谓语动词用过去式。take的过去式为took。 4．They ________ a big dinner and ________ games after the trip. A．have; play B．had; played C．had; play D．have; played 【答案】B 【详解】句意：旅行结束后，他们吃了一顿丰盛的晚餐，还玩了游戏。 and连接两个并列的谓语动词时，时态必须保持一致。选项C（had是一般过去时，play是一般现在时）和选项 D（have是一般现在时，played是一般过去时）时态不一致，直接排除。“after the trip”表示“旅行结束后”，描述的是过去某一次具体发生的动作，而非经常性、习惯性的动作，因此要用一般过去时。选项A的一般现在时用于表示经常性动作，不符合语境。 选项B中had（have 的过去式）和played（play 的过去式）都是一般过去时，时态一致且符合语境。应填had; played。 5．I ________ feel nervous before meeting my bandmates, now I’m relaxed. A．used to B．didn’t use to C．use to D．was used to 【答案】A 【详解】句意：我以前见到乐队成员时感到紧张，现在我很放松。 根据后句“now I’m relaxed”可知，现在放松，与过去形成对比，表示过去“常常”紧张，used to do sth.“过去常常做某事”，应填used to。 6．We ______ to the mountains by bus yesterday morning. A．go B．went C．are going D．will go 【答案】B 【详解】句意：我们昨天早上乘公共汽车去了山上。 根据时间状语“yesterday morning”可知动作发生在过去，应用一般过去时，动词go的过去式是went。 7．—Did you see any animals in the zoo? —Yes, I ________ some cute pandas. A．see B．sees C．saw D．am seeing 【答案】C 【详解】句意：——你在动物园里看到什么动物了吗？——是的，我看到了一些可爱的熊猫。 根据问句“Did you see…”可知对话描述的是过去发生的事情，答句谓语动词应用过去式saw。 8．They ________ in 2023 and have lived happily ever since. A．got married B．married with C．were marry D．get married 【答案】A 【详解】句意：他们在2023年结婚了，从此幸福地生活在一起。 got married结婚，为动词过去式；married with搭配错误；were marry结构错误；get married结婚，为动词原形。根据时间状语“in 2023”可知，应用一般过去时。应填got married。 9．They ________ basketball yesterday, but they ________ football today. A．play; play B．played; play C．play; played D．played; played 【答案】B 【详解】句意：他们昨天打了篮球，但是他们今天踢足球。 根据时间状语“yesterday”可知，第一空表示过去发生的动作，应用一般过去时，动词用过去式played；根据时间状语“today”可知，第二空表示现在的情况，应用一般现在时，主语they为复数，动词用原形play。 10．The sun ________ in the east, and the little girl ________ her hand to say hello to it. A．rises; raises B．raises; rose C．rises; rises D．raises; raises 【答案】A 【详解】句意：太阳从东方升起，小女孩举起手向它问好。 rise意为“升起”，是不及物动词；raise意为“举起”，是及物动词。第一空描述“太阳东升”这一客观真理，需用一般现在时，主语The sun是第三人称单数，应填rises；第二空后有宾语her hand，需用及物动词raise，“小女孩举手问好”与前半句为并列动作，时态需保持一致，用一般现在时；主语the little girl是第三人称单数，且后面有宾语her hand，因此用raise的第三人称单数形式raises。 11．I ________ a kite in the park last Sunday afternoon. A．fly B．flies C．flew D．flying 【答案】C 【详解】句意：上周日下午我在公园里放风筝了。 根据时间标志“last Sunday afternoon（上周日下午）”可知该句时态为一般过去时，谓语动词应使用过去式。动词fly的过去式为不规则变形flew。 12．My brother ________ a new bike last week. He likes riding it very much. A．buys B．bought C．is buying D．will buy 【答案】B 【详解】句意：我哥哥上周买了一辆新自行车。他非常喜欢骑它。 buys买，第三人称单数；bought买，过去式；is buying正在买，现在进行时；will buy将要买，一般将来时。根据时间状语“last week”可知动作发生在过去，句子应用一般过去时，谓语动词用过去式。应填bought。 13．—Did you visit the museum last month? —________. I visited it with my classmates. A．Yes, I did B．No, I didn’t C．Yes, I do D．No, I don’t 【答案】A 【详解】句意：——你上个月参观博物馆了吗？——是的，我参观了。我和我的同学一起参观的。 问句是由“Did”引导的一般过去时的一般疑问句，回答需保持时态一致，使用did或didn’t。根据答语后句“I visited it with my classmates.”可知动作确实发生了，需用肯定回答Yes, I did。 14．The little fox ________ its food behind a big stone yesterday afternoon. A．hide B．hides C．hid D．hidden 【答案】C 【详解】句意：昨天下午那只小狐狸把食物藏在一块大石头后面。 hide 藏（动词原形）；hides 藏（第三人称单数）；hid 藏（过去式）；hidden 藏（过去分词）。根据时间状语“yesterday afternoon”可知动作发生在过去，句子应用一般过去时，谓语动词用过去式hid。 15．She ________ in love with the old village as soon as she visited it. A．fall B．falls C．fell D．will fall 【答案】C 【详解】句意：她一参观这个古老村庄就爱上了它。 根据从句“as soon as she visited it”中的谓语动词visited为一般过去时，可知主句动作也发生在过去，应用一般过去时，fall的过去式为fell。 16．This pair of shoes looks ________, and ________ my trousers. May I________? A．well; match; try it on B．good; matches; try it on C．nice; matches; try them on D．good; match; try on them 【答案】C 【详解】句意：这双鞋看起来很好看，并且搭配我的裤子。我可以试穿它们吗？ 第一空looks为系动词，后接形容词作表语，well通常作副词，作形容词只表示“身体好”，排除； good/nice都是形容词，都可以填；第二空主语This pair of shoes中心词是pair，表单数，谓语动词应用三单形式matches；第三空try on接代词作宾语时，代词需置于中间，且指代shoes应用复数代词them。应选nice; matches; try them on。 17．Simon, ________ his brother, ________ playing baseball when he is free. A．likes; like B．likes; likes C．like; likes D．like; like 【答案】C 【详解】句意：西蒙，像他的兄弟一样，空闲时喜欢打棒球。 like作介词意为“像”，作动词意为“喜欢”。第一空位于主语后作插入语，表示“像……一样”，用介词like；第二空是句子谓语，主语Simon是第三人称单数，不受插入语影响，动词用三单形式likes。 18．The river ________ into the sea at last. A．flows B．flow C．flying D．flew 【答案】A 【详解】句意：这条河最终流入大海。 flows流动，动词三单；flow流动，动词原形；flying飞，现在分词/动名词；flew飞，动词过去式。描述客观事实用一般现在时，且河流是flow“流动”不是fly“飞”，主语The river是第三人称单数，谓语动词需用第三人称单数形式flows。 19．My mother usually ________ up early every morning. A．get B．gets C．got D．will get 【答案】B 【详解】句意：我妈妈通常每天早上早起。 get up“起床”，是动词短语，作谓语。根据“usually”和“every morning”可知句子时态为一般现在时，主语“My mother”是第三人称单数，所以此处应用第三人称单数形式gets up。 20．—________ your brother like animals? —Yes, he ________ with the dog every day. A．Does; plays B．Does; play C．Do; plays D．Do; play 【答案】A 【详解】句意：——你哥哥喜欢动物吗？——是的，他每天都和狗一起玩。 问句主语“your brother”是第三人称单数，句中有实义动词“like”，构成一般疑问句需借助助动词“Does”；答句主语“he”是第三人称单数，根据时间状语“every day”可知，句子时态为一般现在时，谓语动词play需用第三人称单数形式plays。 21．Little by little, my brother’s confidence ________ and he dares to try new things. A．grows B．grew C．grow D．growing 【答案】A 【详解】句意：逐渐地，我哥哥的自信增强了，他敢于尝试新事物。 根据后半句“he dares to try new things”中的dares可知句子时态为一般现在时，主语my brother’s confidence是第三人称单数，谓语动词应用第三人称单数形式，故填grows。 22．Clean energy ________ more and more popular in modern society. A．become B．becomes C．became D．becoming 【答案】B 【详解】句意：清洁能源在现代社会变得越来越受欢迎。 主语“Clean energy”是不可数名词，视为第三人称单数，且句子描述的是客观事实或当前状态，应用一般现在时，谓语动词需用第三人称单数形式。become动词原形；became一般过去时；becoming现在分词。均不符合语法。应填becomes。 23．The sun ________ brightly and the silk dress looks beautiful. A．shine B．shines C．shone D．shining 【答案】B 【详解】句意：太阳明亮地照耀着，丝绸连衣裙看起来很漂亮。 shine照耀（原形）；shines照耀（第三人称单数）；shone照耀（过去式）；shining 照耀（现在分词）。后半句“looks”提示句子时态为一般现在时，主语“The sun”是第三人称单数，谓语动词需用三单形式。应填shines。 24．Alice often ________ her friends to her house on weekends. A．invite B．invites C．invited D．inviting 【答案】B 【详解】句意：爱丽丝经常在周末邀请她的朋友来她家。 根据句中频率副词“often”及时间状语“on weekends”可知，句子时态为一般现在时；主语“Alice”是第三人称单数，谓语动词应用三单形式invites。 25．My parrot ________ “Good morning” to me every day when I wake up. A．say B．says C．said D．saying 【答案】B 【详解】句意：我的鹦鹉每天当我醒来时都对我说“早上好”。 根据时间状语“every day”可知句子时态为一般现在时，主语“My parrot”是第三人称单数，谓语动词应用第三人称单数形式。应填says。 26．Alice ________ the book Alice in Wonderland very much and reads it every weekend. A．love B．loves C．loved D．loving 【答案】B 【详解】句意：爱丽丝非常喜欢《爱丽丝梦游仙境》这本书，并且每个周末都读它。 根据主语“Alice”是第三人称单数，且后半句“reads”表明时态为一般现在时，因此动词需用第三人称单数形式“loves”。 27．The little boy often _________ things _________ because it’s a good way to learn science. A．take...apart B．talk...apart C．takes...apart D．talks...apart 【答案】C 【详解】句意：这个小男孩经常把东西拆开，因为这是学习科学的好方法。 take...apart拆开；talk...apart无此搭配。主语 The little boy是第三人称单数，often表明是一般现在时，谓语动词需用三单形式，结合“because it’s a good way to learn science.”，男孩拆开东西，takes...apart符合句意。 28．— How does your brother usually go to school? — He usually ________ to school, but he ________ his bike to school yesterday. A．walks; rode B．walked; rides C．walks; rides D．walk; rode 【答案】A 【详解】句意：——你哥哥通常怎么去上学？——他通常走路去上学，但是他昨天骑自行车去上学了。 第一空根据时间状语“usually”可知，句子用一般现在时，主语“He”是第三人称单数，谓语动词用walks；第二空根据时间状语“yesterday”可知，句子用一般过去时，谓语动词用rode。 29．The beautiful girl ________ good ________swimming. A．is; in B．is; at C．are; of D．are; at 【答案】B 【详解】句意：这个漂亮的女孩擅长游泳。 is是（be动词单数）；are是（be动词复数）；in在……里；at在……方面；of……的。主语“The beautiful girl”为第三人称单数，be动词应用is；be good at为固定搭配，表示“擅长”。 30．My mother always ________ at 6:00 in the morning. A．woke me up B．wakes me up C．wakes up me D．woke up me 【答案】B 【详解】句意：我妈妈总是在早上6点叫醒我。 woke me up叫醒我，过去式；wakes me up叫醒我；wakes up me格式错误；woke up me格式错误。根据句中“always”可知，句子为一般现在时，主语是第三人称单数，且动词加副词短语代词放中间，应填wakes me up。 二、单词拼写(本大题共20小题，每小题2分，共40分) 31．My mother ________ (teach) me how to pick vegetables last weekend. 【答案】taught 【详解】句意：上周末，我的妈妈教我如何摘蔬菜。句中时间状语“last weekend”表示过去的时间，谓语动词要用一般过去时。teach的过去式是taught，故填taught。 32．He ________ (lend) me his storybook yesterday and I will return it tomorrow. 【答案】lent 【详解】句意：他昨天借给我他的故事书，我明天会还。根据时间状语yesterday可知，该句应用一般过去时。lend的过去式为lent，故填lent。 33．The boy ________ (fall) off his bike and hurt his leg. 【答案】fell 【详解】句意：那个男孩从自行车上摔下来，伤到了腿。句中缺少谓语动词。主语为单数，and后的动词为hurt，可知时态为一般过去时。fall的过去式是fell。 34．The experience ________ (make) me want to work hard for a better future. 【答案】made 【详解】句意：这次经历让我想要为更美好的未来而努力奋斗。由上下文语境可判断，描述的是过去发生的经历，因此谓语动词需用过去式，make的过去式为made。 35．Their research ________ (achieve) great success last year. 【答案】achieved 【详解】句意：他们的研究去年取得了巨大的成功。句中“last year”为过去时间状语，提示动作发生在过去，应用一般过去时。achieve的过去式为achieved。 36．I ________ (see) a lovely cat in the garden yesterday morning. 【答案】saw 【详解】句意：昨天早上我在花园里看见了一只可爱的猫。 时间状语yesterday morning表示过去，句子用一般过去时，动词see的过去式是saw。 37．She ________ (think) carefully and found the true meaning of hard work. 【答案】 thought 【详解】句意：她认真思考，找到了努力工作的真正意义。think“思考”，由句中“found”（find的过去式）可知，整句时态为一般过去时，and连接并列谓语，前后时态需一致，因此think也应用过去式thought。 38．The sun ________ (rise) slowly over the mountain when we woke up in the tent. 【答案】rose 【详解】句意：当我们在帐篷里醒来时，太阳正慢慢地从山上升起。句中“when we woke up”为一般过去时的时间状语从句，主句动作“太阳升起”发生在过去，应用一般过去时，rise的过去式为rose。 39．She ________ (forget) to take her sleeping bag and felt cold all night long. 【答案】forgot 【详解】句意：她忘记带上睡袋，整晚都觉得很冷。并列连词and连接前后两个谓语，后半句谓语动词felt是feel的过去式，整句时态统一为一般过去时，forget需变为过去式forgot。故填forgot。 40．We ________ (keep) our food in closed bags to stay away from wild animals. 【答案】kept 【详解】句意：我们把食物封存在袋子里以防野生动物靠近。本句描述过去某次露营发生的动作，用一般过去时，keep的过去式为kept。 41．My little sister ________ (brush) her teeth before going to bed. 【答案】 brushes 【详解】句意：我的小妹妹睡觉前刷牙。brush“刷”，句中主语“My little sister”为第三人称单数，且“before going to bed”表示经常性、习惯性的动作，应用一般现在时。brush以-sh结尾，其第三人称单数形式需加-es，即brushes。 42．Everyone in our class ________ (like) sports very much. 【答案】 likes 【详解】句意：我们班的每个人都非常喜欢运动。分析句子结构可知，空格处在句中充当谓语成分。不定代词“Everyone”作主语时，谓语动词需使用第三人称单数形式。由于本句描述客观事实，应用一般现在时，谓语动词like需用其第三人称单数形式。 43．If we heat ice, it ________ (turn) into water. 【答案】turns 【详解】句意：如果我们加热冰，它就会变成水。主句中缺少谓语动词。在if引导的条件状语从句中，如果主句描述的是客观事实或自然规律（冰遇热融化），主句和从句都用一般现在时。主语it是第三人称单数，因此动词turn要变成第三人称单数形式turns。 44．She ________ (have) to get up early. 【答案】has 【详解】句意：她不得不早起。句中主语“she”是第三人称单数，句子描述的是习惯性、经常性的动作，应用一般现在时，谓语动词需用第三人称单数形式，“have”的第三人称单数形式是“has”。 45．It often ________ (snow) in winter in Harbin. 【答案】snows 【详解】句意：哈尔滨冬天经常下雪。根据“often”可知，句子用一般现在时，主语是“It”，动词用三单形式snows。 46．The volunteers ________ (do) some shopping for the elderly every week. 【答案】do 【详解】句意：志愿者们每周为老人买一些东西。do“做”，句中“every week”表明是经常性、习惯性的动作，应用一般现在时；主语“The volunteers”为复数，谓语动词用原形，因此直接用do。 47．My grandpa often ________ (water) the flowers in the community garden every morning. 【答案】waters 【详解】句意：我爷爷每天早上经常在社区花园里浇花。water“浇水”，句中“often”和“every morning”表明是经常性、习惯性的动作，应用一般现在时；主语“My grandpa”为第三人称单数，谓语动词需用第三人称单数形式，因此water变为waters。 48．My father usually ________ (fix) old bikes for the elderly on Sundays. 【答案】fixes 【详解】句意：我爸爸通常在周日为老年人修理旧自行车。 根据“usually”和“on Sundays”可知，此处用一般现在时，主语为第三人称单数，谓语动词fix变为三单形式fixes。 49．Tom usually ________ (go) to the theater to watch Beijing Opera with his dad. 【答案】goes 【详解】句意：汤姆经常和他爸爸一起去剧院看京剧。根据频率副词usually，可知句子是一般现在时；主语Tom是第三人称单数，动词用三单形式，go的三单形式为goes。 50．She often ________ (practice) shadow puppetry after school. 【答案】practices 【详解】句意：她放学后经常练习皮影戏。根据“often”可知，句子描述经常性动作，时态是一般现在时，主语是第三人称单数，谓语动词practice用其第三人称单数形式practices。 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 $