/ 让学习更有效 期中备考培优 | 英语学科
/ 让学习更有效 期中备考培优 | 英语学科
2025-2026学年八年级英语上册期中复习考点培优外研版(2024)
专题02 用单词的适当形式填空
学校:___________姓名:___________班级:___________考号:___________
1.The more you read, the (wise) you will become.
2.It’s cold and the ground is with ice. (cover)
3.I (read) this English storybook twice, and I still think it’s very interesting.
4.My cousin (grow) two centimeters taller this summer vacation.
5.They (not receive) any news from their son since he went to study abroad.
6.We (live) in this neighborhood for five years, and we know most of our neighbors.
7.Over time, she (learn) to accept her height and no longer bends her body to appear shorter.
8.The teacher (invite) all the students to share their stories about “self-confidence” already.
9.Tom (cut) his hair short last month, and now he looks more energetic.
10.My parents (tell) me that I’m unique since I was a little kid.
11.He (not finish) his homework yet, so he can’t go out to play with us.
12.You’d better not make such a (risk) decision without thinking carefully.
13.Are you (satisfy) with the service of this restaurant If not, we can complain to the manager.
14.It’s (possible) for him to carry the heavy box alone because he is too weak.
15.There are some differences between American English and (Britain) English in pronunciation.
16.I spend (little) time playing computer games than before because I want to study harder.
17.We should stop (cut) down trees to protect the environment.
18.Yuan Longping is one of the (great) scientists in China, and he is respected by people all over the world.
19.He spent three hours (finish) the difficult math problem yesterday evening.
20.These (superman) toys are very popular among children because of their cool designs.
21.The little girl is interested in acting and hopes to be an (act) in the future.
22.The street is always (crowd) during rush hour, so you’d better leave home early.
23.After hearing the good news, her heart was filled with (happy).
24.You are (suppose) to hand in your exercise book before class.
25.His plan was (success) and we solved the problem easily with his help.
26.I (true) believe that you can win the English speech competition.
27.The students finished their homework (quick) and went out to play basketball.
28.My sister enjoys (paint) pictures of flowers in her free time.
29.My bike is really cool, and so are (they).
30.Lara (dream) of becoming a writer when she was a little girl.
31.Yancheng is one of the cities in Jiangsu Province. (large)
32.Our city (change) a lot over the past five years.
33.The story the teacher told was so (live) that all the students listened carefully.
34.The train (return) to the station in ten minutes, so we need to hurry up.
35.Yesterday, my little brother (knock) the vase off the table, and it broke into pieces.
36.My uncle moved to Guangzhou last year, and I (not see) him since then.
37.Tom is shy, so he is afraid of (speak) in front of the whole class.
38.She is glad (hear) that her grandmother will come to visit her this weekend.
39.My grandparents (marry) for over fifty years.
40.I noticed some (hole) in my new shirt after I washed it.
41.They (know) each other for a long time.
42.Mary thinks we should visit the museum, but I think (different) from her.
43.The little girl (plan) to visit her grandparents every weekend since last year.
44.It (be) over five years since my family moved to this city.
45.We (ride) bikes for two hours, so we are all tired and need a rest.
46.The factory (pollute) the river nearby already—we must stop it right now.
47.Tom (begin) to learn English when he was five years old, and he can speak it well now.
48.The little girl (argue) with her brother just now because he took her toy.
49.Whenever I have problems, I always ask my teacher for (advise).
50.My neighbour’s son (learn) to play the piano for five years—he plays it very well now.
51.It’s important (respect) others’ opinions even if we don’t agree with them.
52.Li Bai is one of the most famous (poem) in Chinese history—many people love his works.
53.We (not reach) an agreement yet. We need to discuss it again tomorrow.
54.The workers (divide) the big field into small parts last week to grow different vegetables.
55.Tom felt (shame) because he forgot to finish his homework again.
56.He failed the exam twice, but he kept (try) and finally passed it.
57.I’ve been reading a funny picture book (recent).
58.Mary thinks we should visit the science museum, but I think (different).
59.My sister always helps me with (fold) the laundry.
60.He is tired of water from the water hole. (collect)
61.Time is limited. I’ll start at once. (research)
62.She is a very (imagine) writer, always coming up with interesting stories.
63.They had fun (camp) in the mountains last weekend.
64.I’m expecting (hang) out with my sister. We met each other last night.
65.Everyone looks forward to (have) longer winter vacation this year.
66.After work, I just feel like (lie) on the sofa to relax myself.
67.We look forward to (work) with you on this project and sharing our ideas together.
68.When solving math problems, you must pay attention to (check) every step to avoid silly mistakes.
69.They (not discover) any useful information about the unexpected invention yet.
70.Thanks for (offer) us so much help. It means a lot to our success.
71.The plan failed (complete) because of a small mistake in the design.
72.Don’t forget (send) an email to your pen pal after finishing your homework.
73.It (take) the scientists three years to develop this new technology.
74.English is (wide) used in many countries, so it’s important to learn it well.
75.Edison is one of the greatest (invent) in the world—he invented the electric light bulb.
76.The teacher encouraged us (ask) more questions during the listening class about inventions.
77.If you (knock) over someone’s books, you should say “sorry” politely.
78.They (not come) up with a solution to the problem yet. They need more time.
79.John spent half an hour (practise) playing the piano every evening.
80.The big bell on the old tower (weigh) about 3,000 kilograms.
/ 让学习更有效 期中备考培优 | 英语学科
/ 让学习更有效 期中备考培优 | 英语学科
21世纪教育网(www.21cnjy.com)
21世纪教育网(www.21cnjy.com)
参考答案及试题解析
1.wiser
【解析】句意:你读得越多,就会变得越聪明。“the+比较级 ..., the+比较级 ...”表示“越……就越……”,此处应使用形容词“wise”的比较级形式“wiser”。故填wiser。
2.covered
【解析】句意:天气很冷,地上覆盖着冰。根据“It’s cold and the ground is…with ice.”及提示词可知,be covered with“被……覆盖”,固定搭配。故填covered。
3.have read
【解析】句意:这本英语故事书我已经读了两遍了,我仍然觉得它很有趣。根据“twice”可知,句子强调过去的动作对现在造成的影响,要用现在完成时,主语I是第一人称单数,助动词用have,read的过去分词为read。故填have read。
4.has grown
【解析】句意:这个暑假我表弟长高了两厘米。根据“My cousin ... two centimeters taller this summer vacation.”可知,这个暑假已经长高了两厘米了,是现在完成时have/has done,强调“长高”这个过去的动作对现在造成的结果。主语是“My cousin”,助动词用has,grow的过去分词是grown。故填has grown。
5.haven’t received
【解析】句意:自从他们的儿子出国学习以来,他们还没有收到他的任何消息。根据“since he went to study abroad”可知,该句时态为现在完成时,其结构为“have/has+done”,否定形式为“have/has not done”,receive“收到”,动词,其过去分词为received,主语为they,故助动词用have,have not缩写为haven’t。故填haven’t received。
6.have lived
【解析】句意:我们在这个社区住五年了,并且我们认识大部分的邻居。根据“for five years”可知,此句应用现在完成时,表示从过去某个时间点开始一直持续到现在的动作或状态,其结构为“have/has+过去分词”。live“居住”,动词,其过去分词为lived,主语“We”为复数,助动词用have。故填have lived。
7.has learned/has learnt
【解析】句意:随着时间的推移,她学会了接受自己的身高,不再弯腰让自己看起来更矮。根据“Over time”可知,此处强调动作从过去持续到现在,时态要用现在完成时,主语she为第三人称单数,助动词用has,learn的过去分词为learned/learnt。故填has learned/learnt。
8.has invited
【解析】句意:老师已经邀请了所有的学生来分享他们关于“自信”的故事。根据“already”可知,句子时态为现在完成时。主语“The teacher”是第三人称单数,所以助动词用has,invite的过去分词是invited。故填has invited。
9.cut
【解析】句意:汤姆上个月把头发剪短了,现在他看起来更有活力了。根据“last month”可知,句子时态是一般过去时,cut“剪切”,其过去式形式为cut。故填cut。
10.have told
【解析】句意:自从我还是个小孩时,我的父母就告诉我,我是独一无二的。根据“since I was a little kid”可知,句子时态为现在完成时,其结构为have/has done,主语“My parents”为复数,因此用have,tell的过去分词为told。故填have told。
11.hasn’t finished
【解析】句意:他还没有完成他的作业,所以他不能和我们出去玩。根据“yet”以及语境可知,句子应用现在完成时,表示过去发生的动作对现在造成的影响,结构是“has/have+过去分词”,主语是He,助动词用has,否定形式为hasn’t,finish的过去分词是finished。故填hasn’t finished。
12.risky
【解析】句意:你最好不要在没有仔细考虑的情况下做出如此冒险的决定。risk“冒险做”,动词;空格后的“decision”是名词,所以空格处应填risk的形容词形式risky“冒险的”,用于修饰名词。故填risky。
13.satisfied
【解析】句意:你对这家餐馆的服务满意吗?如果不满意,我们可以向经理投诉。“be satisfied with”为固定搭配,意为“对……满意”,此处是形容词作表语。故填satisfied。
14.impossible
【解析】句意:他一个人搬这个重箱子是不可能的,因为他太弱了。possible“可能的”,形容词;此句是固定句型“it is+形容词+for sb. to do sth.”,意为“做某事对某人来说是怎么样的”;根据“...he is too weak.”可知,他太弱了,独自搬重箱子对他来说是不可能的,形容词impossible“不可能的”符合语境。故填impossible。
15.British
【解析】句意:美式英语和英式英语在发音上有一些不同。根据“American English and…English”可知此处表示英式英语,English在此处是名词,其前用形容词British表示“英国的”,作定语。故填British。
16.less
【解析】句意:我花在玩电脑游戏上的时间比以前少了,因为我现在想要更加努力地学习了。根据“than”可知,此处应该用比较级。little的比较级是less。故填less。
17.cutting
【解析】句意:我们应该停止砍伐树木来保护环境。cut“砍;切”,此处指“停止砍伐树木”,用结构stop doing sth“停止做某事”。故填cutting。
18.greatest
【解析】句意:袁隆平是中国最伟大的科学家之一,受到全世界人民的尊敬。“one of the+形容词最高级+可数名词复数”表示“最……的……之一”,此处用great的最高级greatest,意为“最伟大的”。故填greatest。
19.finishing
【解析】句意:昨天晚上他花了三个小时完成了这道数学难题。finish“完成”,spend time doing sth“花费时间做某事”,故填finishing。
20.superman
【解析】句意:这些超人玩具因为酷炫的设计在孩子们中很受欢迎。“superman”在此处作定语,修饰“toys”,用单数形式即可。故填superman。
21.actress
【解析】句意:这个小女孩对表演感兴趣,希望将来成为一名女演员。根据“The little girl is interested in acting”可知对表演感兴趣,由此推出希望成为演员,结合“The little girl”可知是“女演员”,用actress,an后用其单数形式。故填actress。
22.crowded
【解析】句意:这条街在交通高峰期总是很拥挤,所以你最好早点出门。crowd“挤满”,动词。根据“is”可知,此处需要形容词作表语,crowd的形容词形式是“crowded”,意为“拥挤的”。故填crowded。
23.happiness
【解析】句意:听到这个好消息后,她的心里充满了喜悦。happy“开心的;快乐的”,形容词。根据空前的介词“with”可知,此处需要名词作宾语,happy的名词形式是“happiness”,且为不可数名词。故填happiness。
24.supposed
【解析】句意:你应该在课前交练习本。be supposed to是一个常见短语,表示“应该”或“被期望”,用于表达责任或义务。故填supposed。
25.successful
【解析】句意:他的计划很成功,在他的帮助下我们很容易地解决了这个问题。此处作be动词的表语用形容词successful“成功的”。故填successful。
26.truly
【解析】句意:我真诚地相信你能赢得英语演讲比赛。根据“I ... believe that ...”可知,此处修饰动词believe,要用副词,true的副词形式为truly。故填truly。
27.quickly
【解析】句意:学生们快速地完成了作业,然后出去打篮球了。根据“The students finished their homework ...”可知,此处修饰动词finished,要用副词,quick的副词形式为quickly。故填quickly。
28.painting
【解析】句意:我的姐姐在她的空闲时间里喜欢画花的图画。enjoy doing sth.“喜欢做某事”,固定搭配,此处要用paint的动名词形式painting。故填painting。
29.theirs
【解析】句意:我的自行车真的很酷,他们的也是。根据“and so are…”可知,此处表示“他们的自行车”也很酷,结合提示词“they”可知,此处需填名词性物主代词。故填theirs。
30.dreamed/dreamt
【解析】句意:劳拉还是个小女孩的时候,就梦想着成为一名作家。根据下文“when she was a little girl”可知,梦想成为作家是过去发生的动作,句子时态应用一般过去时,谓语动词dream应用其过去式dreamt/dreamed。故填dreamt/dreamed。
31.largest
【解析】句意:盐城是江苏省最大的城市之一。large“大的”,形容词;根据“one of the+形容词最高级+可数名词的复数形式”结构可知,空格处应填large的最高级形式largest。故填largest。
32.has changed
【解析】句意:在过去的五年里,我们的城市变化很大。“over the past five years”是现在完成时的标志,现在完成时的结构为“have/has+过去分词”,主语“Our city”是第三人称单数,所以用“has”,“change”的过去分词是“changed”,“has changed”在句中作谓语。故填has changed。
33.lively
【解析】句意:老师讲的故事如此生动,以至于所有学生都认真地听着。根据“The story the teacher told was so”以及提示词可知,老师讲的故事很生动,此处应用形容词lively“生动的”作表语。故填lively。
34.will return
【解析】句意:火车将在十分钟后返回车站,所以我们得抓紧时间。根据“in ten minutes”可知,句子描述的是未来十分钟内会发生的事情,因此使用 一般将来时 ,一般将来时结构为:will+动词原形,助动词 will 后接动词原形 return 。故填will return。
35.knocked
【解析】句意:昨天,我弟弟把花瓶从桌子上碰掉了,花瓶摔成了碎片。knock“碰,撞”,动词。根据时间状语“Yesterday”可知,本句时态为一般过去时态。knock的过去式为knocked。故填knocked。
36.haven’t seen
【解析】句意:我叔叔去年搬到了广州,从那以后我就没见过他。“since then”是现在完成时的标志,现在完成时的否定结构为“haven’t/hasn’t+过去分词”,主语“I”是第一人称,所以用“haven’t”,“see”的过去分词是“seen”,“haven’t seen”在句中作谓语。故填haven’t seen。
37.speaking
【解析】句意:汤姆很害羞,所以他害怕在全班面前发言。be afraid of doing sth“害怕做某事”,此处用动词speak“说话”的动名词形式。故填speaking。
38.to hear
【解析】句意:听到奶奶这周末要来看她,她很高兴。be glad to do sth.“高兴做某事”,固定搭配,因此这里应用动词不定式to hear。故填to hear。
39.have been married
【解析】句意:我祖父母结婚五十多年了。根据“for over fifty years”可知是现在完成时have/has done,且动词需是延续性动词,marry为短暂性动词,其延续性形式为be married,主语是复数,助动词用have,be的过去分词为been。故填have been married。
40.holes
【解析】句意:我洗完新衬衫后发现上面有些洞。hole“洞”,可数名词,some“一些”后用其复数形式。故填holes。
41.have known
【解析】句意:他们已经认识彼此很长时间了。根据“for a long time”可知,句子时态应用现在完成时,其结构为have/has +过去分词;主语“They”为复数,助动词用have,know的过去分词为known。故填have known。
42.differently
【解析】句意:玛丽认为我们应该参观博物馆,但我的想法和她不同。“think”是动词,要用副词修饰,“different”的副词形式是“differently”,译为“不同地”。故填differently。
43.has planned
【解析】句意:自从去年以来,这个小女孩就计划每个周末去看望她的祖父母。根据“since last year”可知,句子时态应用现在完成时,其结构为have/has+过去分词;主语“The little girl”为单数,助动词用has,plan的过去分词为planned。故填has planned。
44.has been
【解析】句意:自从我们家搬到这个城市以来,已经五年多了。“since”常与现在完成时连用,现在完成时的结构是:have/has+动词过去分词,主语“It”表示单数,所以应用助动词has,be的过去分词是been。故填has been。
45.have ridden
【解析】句意:我们已经骑了两个小时的自行车了,所以我们都累了,需要休息一下。根据“for two hours”以及“we are all tired and need a rest”可知,此处强调动作从过去持续到现在,应该用现在完成时,其结构为“have/has+过去分词”。主语“We”是复数,助动词用have,ride的过去分词是ridden。故填have ridden。
46.has polluted
【解析】句意:这家工厂已经污染了附近的河流——我们必须立即阻止它。根据“already”可知,句子时态为现在完成时,其结构为“have/has+过去分词”,主语“The factory”是第三人称单数,助动词用has,pollute的过去分词是polluted。故填has polluted。
47.began
【解析】句意:汤姆五岁的时候就开始学英语了,现在他能说得很好。根据“when he was five years old”可知,此处是指五岁时开始学习英语,句子时态应用一般过去时,谓语动词begin应用过去式began。故填began。
48.argued
【解析】句意:这个小女孩刚才和她哥哥吵架了,因为他拿了她的玩具。根据“just now”可知,句子应用一般过去时。argue意为“争吵”,过去式为argued。故填argued。
49.advice
【解析】句意:每当我遇到问题时,我总是向我的老师寻求建议。根据“ask my teacher for”可知,此处应填入一个名词,表示“建议”。动词“advise”的名词形式是“advice”,且“ask for advice”是固定搭配,意为“寻求建议”。advice为不可数名词。故填advice。
50.has learned
【解析】句意:我邻居的儿子学弹钢琴已经五年了——他现在弹得非常好。根据“for five years”可知,此处表示动作从过去某一时刻开始,一直持续到现在,并且有可能继续持续下去,所以可以用现在完成时“have/has + 过去分词”结构,主语是第三人称单数,助动词用has,即“has learned”。故填has learned。
51.to respect
【解析】句意:即使我们不同意别人的意见,尊重他们的意见也是很重要的。respect“尊重”,根据“It’s important”可知,此处是“It’s+adj.+to do sth.”句型,意为“做某事是……的”,因此填动词不定式。故填to respect。
52.poets
【解析】句意:李白是中国历史上最著名的诗人之一,许多人喜爱他的作品。poem“诗歌”,是名词。根据“Li Bai”以及“many people love his works”可知,此处是指“诗人”,应用poet;又因“one of the+形容词最高级+名词复数”表示“最……之一”,所以此处应用名词poet的复数形式poets。故填poets。
53.haven’t reached
【解析】句意:我们还没有达成协议。我们明天需要再讨论一下。根据“yet”可知,此处需用现在完成时。句子主语“We”为复数,助动词用“have”;“reach”的过去分词为“reached”,否定形式为“have not reached”,缩写为haven’t reached。故填haven’t reached。
54.divided
【解析】句意:上周,工人们把这块大地划分成小块,用来种植不同的蔬菜。根据“last week”可知,句子时态为一般过去时,因此需用动词的过去式形式;divide“划分”,动词,其过去式形式为divided。故填divided。
55.ashamed
【解析】句意:汤姆感到很羞愧,因为他又忘了完成作业。shame“羞愧”,此处应是表达“感到羞愧的”,需用形容词ashamed“感到羞愧的”作表语,描述人的感受。故填ashamed。
56.trying
【解析】句意:他两次考试都没通过,但他继续尝试,最终通过了。keep doing sth“继续做某事”,try的动名词形式为trying。故填trying。
57.recently
【解析】句意:我最近一直在看一本有趣的图画书。recent“最近的”,是形容词,分析句子结构可知,此处需要使用副词形式来修饰整个句子,表示“最近”这个时间。recent的副词形式是recently。故填recently。
58.differently
【解析】句意:玛丽认为我们应该参观科学博物馆,但我想法不同。“different”是形容词,此处修饰动词“think”,要用其副词形式“differently”,在句中作状语。故填differently。
59.folding
【解析】句意:我姐姐总是帮我叠衣服。“with”为介词,后面需接名词或动名词作宾语。所给词“fold”意为“折叠”,是动词,其动名词形式为folding。故填folding。
60.collecting
【解析】句意:他厌倦了从水坑里取水。根据“He is tired of…”及提示词可知,介词of后接动名词形式,collect“收集”,动词,动名词为collecting。故填collecting。
61.researching/to research
【解析】句意:时间有限。我马上开始研究。根据“Time is limited. I’ll start…at once.”及提示词可知,start doing/to do sth.“开始做某事”,动词短语,research“研究”,动词。故填researching/to research。
62.imaginative
【解析】句意:她是一位非常有想象力的作家,总能想出有趣的故事。空处修饰名词writer,用形容词imaginative“富有想象力的”作定语。故填imaginative。
63.camping
【解析】句意:他们上周末在山上露营玩得很开心。have fun doing sth.表示“做某事很开心”。故填camping。
64.to hang
【解析】句意:我期待和我姐姐一起出去玩。我们昨晚见过面。根据“I’m expecting...”可知,此处考查expect的用法,expect to do sth.为固定搭配,意为“期待做某事”,hang“闲逛”,动词,此处应用其不定式形式to hang。故填to hang。
65.having
【解析】句意:每个人都期待今年能有更长的寒假。look forward to doing sth.“期待做某事”,动词短语,此处应用having。故填having。
66.lying
【解析】句意:下班后,我只想躺在沙发上放松自己。根据“feel like”可知,feel like doing sth.“想要做某事”,是固定用法,故横线处需填lie的现在分词形式lying。故填lying。
67.working
【解析】句意:我们期待着在这个项目上与你合作,并一起分享我们的想法。“look forward to doing sth.”是固定搭配,意为“期待做某事”,其中“to”是介词,后接动名词作宾语。故填working。
68.checking
【解析】句意:在解数学题时,你必须注意检查每一步,以避免愚蠢的错误。“pay attention to doing sth.”是固定搭配,意为“注意做某事”,其中“to”是介词,后接动名词作宾语。故填checking。
69.haven’t discovered
【解析】句意:他们还没有发现关于这项意外发明的任何有用信息。根据题意和“yet”可知,本句用现在完成时的否定形式,主语they为复数,助动词用have,否定式为haven’t,discover的过去分词为discovered。故填haven’t discovered。
70.offering
【解析】句意:感谢你提供了这么多帮助,这对我们的成功意义重大。根据介词“for”后需接动名词作宾语,故“offer”用动名词形式“offering”。故填offering。
71.completely
【解析】句意:由于设计中的一个小错误,这个计划彻底失败了。complete“完全的”,形容词。根据“The plan failed...”可知此处应用副词修饰动词failed,complete的副词形式为completely“完全地,彻底地”。故填completely。
72.to send
【解析】句意:完成作业后,别忘了给你的笔友发一封电子邮件。send“发送”,forget常见用法有两种:“forget to do sth”表示“忘记要做某事(事情尚未做)”,“forget doing sth”表示“忘记做过某事(事情已做过)”;结合语境,“给笔友发邮件”是完成作业后需要去做的事,尚未发生,因此用“forget to do sth”结构。故填to send。
73.took
【解析】句意:科学家们花了三年时间研发这项新技术。take“花费”,常用句型为“It takes sb some time to do sth”,表示“做某事花费某人多长时间”;结合语境,研发新技术是已经完成的动作,应用一般过去时,take的过去式为took。故填took。
74.widely
【解析】句意:英语在许多国家被广泛使用,因此学好英语很重要。根据题意和提示词可知,此处应用wide的副词形式widely“广泛地”修饰动词used。故填widely。
75.inventors
【解析】句意:爱迪生是世界上最伟大的发明家之一——他发明了电灯泡。invent“发明”,是动词。此处指“发明家”,应用其名词形式inventor。“one of + the + 形容词最高级 + 可数名词复数”表示“最……之一”,因此填复数形式。故填inventors。
76.to ask
【解析】句意:老师鼓励我们在关于发明的听力课上多提问。根据“encouraged us...”及提示词可知,encourage sb. to do sth.是常用短语,意为“鼓励某人做某事”,此处应用动词不定式to ask。故填to ask。
77.knock
【解析】句意:如果你撞翻了别人的书,你应该礼貌地说“对不起”。if引导的条件状语从句遵循“主情从现”原则,即主句含有情态动词时,从句用一般现在时。主语“you”是第二人称,动词用原形knock。故填knock。
78.haven’t come
【解析】句意:他们还没有想出解决这个问题的办法。他们需要更多时间。根据“yet”可知,句子时态为现在完成时,其结构为“have/has+过去分词”,主语“They”是复数,助动词用have,否定形式为haven’t,come的过去分词是come。故填haven’t come。
79.practising
【解析】句意:约翰每天晚上花半小时练习弹钢琴。谓语动词为“spent”,考查固定搭配“spend time (in) doing sth”(花费时间做某事),其中“in”可以省略,因此空格处应填入动名词形式。括号中所给单词“practise”为动词,其动名词形式为“practising”。故填practising。
80.weighs
【解析】句意:旧塔上的大钟重约3000千克。根据“The big bell on the old tower...about 3,000 kilograms.”及提示词可知,句子描述的是客观事实,应用一般现在时,且主语The big bell是第三人称单数,谓语动词weigh应用三单形式weighs。故填weighs。
21世纪教育网(www.21cnjy.com)
21世纪教育网(www.21cnjy.com)