/ 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学年九年级英语上册期中复习考点培优仁爱科普版
专题02 用单词的适当形式填空
学校:___________姓名:___________班级:___________考号:___________
1.He his own style and it was a great success in his films. (creation)
2.Many road accidents can (avoid) if we all follow traffic rules.
3.Don’t eat too much junk food. It’s (harm) to your health.
4.There are some foreign students in my school, including three (Germany).
5.My brother’s room is so (tidy) that you can hardly see the floor!
6.Many languages are spoken here, English, Spanish, and Mandarin. (include)
7.These (German) will stay here for a month.
8.The interior design can (creative) a comfortable feeling for the driver.
9.After a day’s work, I often go to the countryside (breath) fresh air.
10.Zhuoma never (waste) food and she sets a good example for her sister.
11.The price of gold (rise) a lot during the last six months.
12.The design of the room should be paid attention to (create) a feeling of peace.
13.A lot of students will go camping this Saturday, Tom and Ben. (include)
14.Miss Lin had problems (breathe) after running for an hour.
15.Having accumulated a wealth of experience over the years, she feels (complete) at ease in her new job.
16.We’ve got a three-day holiday New Year’s Day. (include)
17.Our interest in Chinese paper-cutting a lot after the artist gave us a talk. (rise)
18.Mary’s father required her her homework.
19.Would you please ____________ (not disturb) me when I sleep
20.You had better (hurry). There is still enough time to go to school.
21.The teacher suggests (give) up playing computer games because it's a waste of time.
22.Sitting on the hard chair for hours made me feel quite (comfortable) and cased much pain in my back.
23.He was (bear) with the talent for singing. He can sing well without taking any singing classes.
24.Everyone should pay attention to the food we eat, or our stomachs will feel . (comfortable)
25.All the (Germany) names and telephone numbers are on the list.
26.Body language is very common in our lives. our head means we agree with others. (nod)
27.This is the (bad) movie I have ever seen.
28.Playing too many games on your smartphone is (harm) to your eyesight.
29.It’s said that Shen Nong was the first (discover) tea as a drink.
30.The room was dark when the lights suddenly went out. (complete)
31.Some countries in Asia are now in on some new trade terms. (agree)
32.The woman is 60 years old, but she still looks young. (near)
33.When there’s a fire, some trees close the holes in their leaves to protect themselves, just like how we hold our (breathe) during a fire.
34.They are discussing how to solve the problems. (environment)
35.Nodding the head means . Shaking the head means disagreement. (agree)
36.After a two-hour discussion, they finally reached an on how to carry on online study. (agree)
37.It is (complete) necessary for us to protect the environment.
38.Mary’s room is a bit . Her things are here and there. (tidy)
39.Without , modern technology could not play its part. (electrical)
40. (hear) the noise, the birds flew in all directions.
41.We should pay more attention to (increase) the quality of the products.
42.Jack did even than anyone else in his class in the English exam. (bad)
43.The number of students in our school (increase) by 200 since 2024.
44.My brother has (read) this novel three times because he likes it very much.
45.We should have a basic understanding of (medicine) knowledge.
46.My father is an (engineer) and he works on big projects.
47.There are millions of (website) on the Internet.
48.Since then, each of us (realize) the importance of working hard.
49.Chinese medicine is (huge) important in Chinese culture.
50.Neither his parents nor he (reply) to his uncle’s email yet. All of them are busy with their work these days.
51.We should make good use of time, as it is the (value) thing we have in our lives.
52.The dog has given up (stole) meat from the kitchen.
53.Mr. Yuan Longping (die) for three years, but people still remember him.
54.So far, China (turn) parts of deserts into forests.
55.Water is one of the most (value) resources and we must try our best to save it.
56.The (develop) of technology has made it easier for students to learn English online.
57.—Can I use the computer to search for information now
—Of course, we (check) it. Help yourself!
58.Great changes (take) place in my hometown since 2010.
59.Ellen began to learn English at the age of fifty, and she has made great (progress).
60.Not only Mary but also her friend (eat) up the chocolate. There’s none left.
61.The thief (steal) three expensive watches from the store just now.
62.—Gary, I (clean) your room. I hope you can keep it as clean as it is now.
—All right! I’ll tidy it up every Sunday.
63.Over the years, taking part in car racing events (cost) him a fortune.
64.His cold was even (ill) than yesterday. We had to take him to the hospital.
65.He (forget) all the pains in the past so far.
66.High prices of houses can cause some (society) problems.
67.The thief (steal) many treasures since he dropped out of school.
68.My brother looked forward to (volunteer) to teach in the mountain village.
69.After I realized the of self-control, I spend less time playing computer games. (important)
70.The police caught the man who (steal) a woman’s wallet just now.
71.We (learn) a lot of new words since the beginning of this term.
72.My mother often tells me the (important) of saving money.
73.We (learn) English for more than 5 years.
74.His dog (die) for two years.
75.As far as I know, he has (teach) math in this school for 8 years.
76.The two sisters (not see) each other since they finished high school.
77.The life we were used to ___________________ (change) since 1978.
78.My parents (live) in that city since 2008.
79.This is the first time I (visit) Beijing.
80.People will have more free time so they’ll (probable) have more vacations.
/ 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.created
【解析】句意:他创造了他自己的风格,且这在他的电影中取得了巨大成功。根据“and it was a great success”可知,此句时态为一般过去时,空处填动词过去式作谓语。creation“创造”,名词,动词为create“创造”,过去式为created。故填created。
2.be avoided
【解析】句意:如果我们都遵守交通规则,许多道路事故是可以避免的。avoid“避免”,road accidents和avoid之间是被动关系,情态动词can后接“be + 过去分词”构成被动语态,所以用be avoided。故填be avoided。
3.harmful
【解析】句意:不要吃太多垃圾食品。这对你的健康有害。根据“Don’t eat too much junk food. It’s…to your health.”可知,此处表示吃太多垃圾食品对你的健康有害,应用形容词harmful“有害的”,作表语。故填harmful。
4.Germans
【解析】句意:在我的学校有一些外国学生,包括三名德国人。Germany“德国”,此处是指德国人,应用German,名词用复数形式。故填Germans。
5.untidy
【解析】句意:我弟弟的房间太乱了,你几乎看不到地板!根据“you can hardly see the floor”可知,房间很乱,tidy“整洁的”,形容词,根据语境可知,此处需用其反义词untidy“不整洁的,凌乱的”,在句中作表语。故填untidy。
6.including
【解析】句意:这里说许多语言,包括英语、西班牙语和普通话。根据“Many languages are spoken here…English, Spanish, and Mandarin.”及提示词可知,此处指这里说许多语言,包括英语、西班牙语和普通话。句子是一个完整的“主-谓-宾”结构的句子,include“包括”,动词,在这里需用介词including“包括”,后接被包括的对象。故填including。
7.Germans
【解析】句意:这些德国人将在这里停留一个月。根据“These”修饰可数名词复数可知,表示复数的人,应使用名词复数形式,German变为Germans。故填Germans。
8.create
【解析】句意:内饰设计可以为驾驶员创造舒适的感觉。由“can…”可知,此处应用动词原形,create是其动词形式。故填create。
9.to breathe
【解析】句意:工作了一天后,我经常去乡下呼吸新鲜空气。根据“I often go to the countryside...fresh air”可知,此处用不定式作目的状语,表示“去乡下是为了呼吸新鲜空气”,故填to breathe。
10.wastes
【解析】句意:卓玛从不浪费食物,她为她的妹妹树立了一个好榜样。waste“浪费”,根据“never”可知,时态是一般现在时,主语是Zhuoma,所以谓语动词用三单形式。故填wastes。
11.has risen
【解析】句意:在过去的六个月里,黄金价格上涨了很多。根据“during the last six months.”可知,时态为现在完成时,其结构为have/has done,主语为三单形式,助动词应用has,rise的过去分词为risen。故填has risen。
12.to create
【解析】句意:房间的设计应注重营造一种宁静的感觉。根据“The design of the room should be paid attention to”可知,pay attention to的宾语为The design of the room,空处用不定式结构作目的状语。故填to create。
13.including
【解析】句意:许多学生这个星期六要去露营,包括Tom和Ben。include“包括”,动词,此处作状语,应用介词including“包括……在内”,符合语境。故填including。
14.breathing
【解析】句意:林小姐跑了一个小时后呼吸有困难。“have problems (in) doing sth.”是固定搭配,意为“做某事有困难”,所以“breathe”要用动名词形式“breathing”,意为“呼吸”。故填breathing。
15.completely
【解析】句意:多年来积累了丰富的经验,她对自己的新工作感到十分自如。空处修饰短语“at ease(舒适的,自在的)”应用副词,complete的副词是completely“完全地”。故填completely。
16.including
【解析】句意:我们有一个包含元旦的三天假期。句中“We’ve”为“We have”的缩写,have got作谓语,此处应用动词include的介词形式including,意为“包括”。故填including。
17.rose
【解析】句意:在艺术家给我们做了演讲之后,我们对中国剪纸的兴趣大增。rise“上升,增加”,动词;根据“after the artist gave us a talk.”可知,句子时态为一般过去时,谓语动词应使用其过去式rose。故填rose。
18.to do
【解析】句意:玛丽的父亲要求她做家庭作业。“require sb. to do sth.” 是固定用法,意为 “要求某人做某事” ,此处需要用动词不定式 “to do” ,符合该短语结构及句子表意,故填 to do 。
19.not disturb
【解析】句意:我睡觉的时候,你能不打扰我吗?Would you please后接动词原形,表示请求别人做什么,其否定形式要在动词前面加not,故填not disturb。
20.not hurry
【解析】句意:你最好不要匆忙,现在还有足够的时间去上学。had better (not) do sth“最好(不)做某事”;根据“There is still enough time to go to school.”可知,此处是指最好不要匆忙。故填not hurry。
21.giving
【解析】句意: 老师建议放弃玩电脑游戏,因为这是浪费时间。 “suggest” 是谓语动词,意为 “建议” ,其常用固定搭配是 “suggest doing sth.” ,即 “建议做某事” ,此处需要用 “give” 的动名词形式 “giving” ,来符合 “suggest doing sth.” 这一语法结构 ,故填 “giving” 。
22.uncomfortable
【解析】句意:在硬椅子上坐了几个小时让我感觉很不舒服,而且后背很疼。 根据“Sitting on the hard chair for hours”以及“caused much pain in my back”可知,长时间坐硬椅子给人带来的是不好的感受,uncomfortable表示“不舒服的”符合语境。故填uncomfortable。
23.born
【解析】句意:他天生就有唱歌的天赋。不用上任何声乐课就能唱得很好。“be born with...”是固定短语,意为“天生具有……” ,“bear”的过去分词“born”用于此结构。故填born。
24.uncomfortable
【解析】句意:每个人都应该注意我们吃的食物,否则我们的胃将会感到不舒服。根据“Everyone should pay attention to the food we eat, or our stomachs will feel ... ”可知,应该注意我们吃的食物,否则我们的胃将会感到“不舒服”,此处要用形容词,因此要把comfortable“舒服的”变为其反义词形式uncomfortable。故填uncomfortable。
25.Germans’
【解析】句意:所有德国人的名字和电话号码都在名单上。修饰“names and telephone numbers”应该填名词所有格,这里指的是“德国人的名字和电话号码”,German“德国人”,此处应该填复数名词的所有格Germans’“德国人的”。故填Germans’。
26.Nodding
【解析】句意:肢体语言在我们的生活中很普遍。点头意味着我们赞同别人。根据“...our head means we agree with others.”及所给单词可知,此处表示点头意味着我们赞同别人,nod“点头”,动词,此处应用其动名词nodding,作主语,位于句首,首字母大写。故填Nodding。
27.worst
【解析】句意:这是我看过最差的电影。根据“This is the…movie I have ever seen.”可知,此处要用形容词最高级,bad的最高级形式为worst。故填worst。
28.harmful
【解析】句意:在智能手机上玩太多游戏对你的视力有害。根据“Playing too many games on your smartphone is…to your eyesight.”的语境并结合常识可知,在智能手机上玩太多游戏应是对视力有害,harmful“有害的”,形容词,在句中作表语。故填harmful。
29.to discover
【解析】句意:据说神农是第一个发现茶可以作为饮料的人。根据“the first ... (discover) tea...”可知,此处指的是“发现茶可以作为饮料的第一人”,所以用动词不定式作后置定语,故填to discover。
30.completely
【解析】句意:灯突然熄灭时,房间里一片漆黑。分析句子结构可知,空格所填词修饰形容词“dark”,故填副词,所给词complete“完全的”,形容词,其副词形式为completely。故填completely。
31.agreement
【解析】句意:现在,一些亚洲国家对于某些新贸易条款达成一致。根据“Some countries in Asia are now in ... on some new trade terms.”可知,放在介词后的此空需要名词,所以要把agree变成名词agreement,agreement表示抽象的同意或一致时是不可数名词。故填agreement。
32.nearly
【解析】句意:这位女士将近60岁了,但是她看起来仍然很年轻。横线处应填入副词修饰“60 years old”,near的副词形式nearly“将近,几乎”符合语境,故填nearly。
33.breath
【解析】句意:当发生火灾时,有些树会关闭叶子上的孔来保护自己,就像我们在火灾中屏住呼吸一样。根据“our...”可知,形容词性物主代词our修饰名词。故空处需名词breath“呼吸”。故填breath。
34.environmental
【解析】句意:他们正在讨论如何解决环境问题。根据“solve the ... problems”可知,此处应用形容词修饰名词problem,environment的形容词为environmental,表示“生态环境的”。故填environmental。
35.agreement
【解析】句意:点头意味着同意。摇头意味着不同意。根据“Shaking the head means disagreement.”可知点头是同意,空格处缺少名词,agree的名词形式为agreement“同意”。故填agreement。
36.agreement
【解析】句意:经过两个小时的讨论,他们终于就如何进行在线学习达成了一致。根据句意和句子结构可知,此处应填入名词作宾语,agree的名词形式为agreement,为可数名词,此处表示泛指,且空前有不定冠词an修饰,故应用其单数形式。故填agreement。
37.completely
【解析】句意:对于我们来说保护环境是完全有必要的。根据句意,结合所给词可知,此处表示“是完全有必要的”这一含义,要使用complete的副词形式completely,表示“完全地”,修饰形容词“necessary”。故填completely。
38.untidy
【解析】句意:玛丽的房间有点儿不整洁。她的东西到处都是。tidy整洁的,形容词;根据“Her things are here and there.”可知,此处应用tidy的反义词untidy“不整洁的”,作表语。故填untidy。
39.electricity
【解析】句意:没有电,现代技术就无法发挥作用。根据“modern technology could not play its part”及空前的介词“Without”可知,没有电现代技术就无法发挥作用,此处需要填一个名词作宾语,“electrical”是形容词,意为“电的,与电有关的”,其名词形式“electricity”意为“电”。故填electricity。
40.Hearing
【解析】句意:听到噪音,鸟儿向四面八方飞去。分析句子结构可知,hear在句中应用非谓语动词形式,与逻辑主语the birds构成主动关系,故应用现在分词作状语。句首单词首字母要大写。故填Hearing。
41.increasing
【解析】句意:我们应该更加关注提高产品质量。pay attention to“注意”,后面应用动名词“increasing”作宾语。故填increasing。
42.worse
【解析】句意:杰克在英语考试中做得比班上其他任何人都差。根据“than anyone else in his class”以及所给单词可知,应填bad的比较级形式worse“更差的”。故填worse。
43.has increased
【解析】句意:自2024年以来,我们学校的学生人数增加了200人。根据“since 2024”可知句子用现在完成时,主语是The number of students in our school,助动词用has,increase的过去分词是increased。故填has increased。
44.read
【解析】句意:我哥哥已经把这本小说读了三遍,因为他非常喜欢它。根据空前“has”及“three times”可知,句子用的是现在完成时,结构是“have/has + 过去分词”,空处应用过去分词read,故填read。
45.medical
【解析】句意:我们应该对医学知识有一个基本的了解。medicine“药”,此处修饰“knowledge”,用形容词medical“医学的”,作定语。故填medical。
46.engineer
【解析】句意:我父亲是一名工程师,他从事大型项目。根据“My father is an…”可知,爸爸的职业是一名工程师,根据空前的“an”可知,此处用单数形式engineer。故填engineer。
47.websites
【解析】句意:互联网上有数百万个网站。根据“millions of”可知,其后应接可数名词复数形式,故填websites。
48.has realized
【解析】句意:从那时起,我们每个人都意识到努力工作的重要性。由“Since then”可知,句子应用现在完成时,其结构为have/has+过去分词;又由“each of us”可知,谓语动词需用第三人称单数形式,故助动词用has。故填has realized。
49.hugely
【解析】句意:中医在中国文化中非常重要。huge“巨大的”。根据“important”可知,修饰形容词应用副词,故此处应用huge的副词形式hugely。故填hugely。
50.has replied
【解析】句意:他的父母和他都还没有回复他叔叔的电子邮件。这些天他们都忙于工作。reply“回复”,根据“yet”可知句子用现在完成时,neither...nor…连接的成分作主语时,遵循就近原则,根据“he”可知此处助动词用has,reply的过去分词是replied。故填has replied。
51.most valuable
【解析】句意:我们应该好好利用时间,因为它是我们生命中最宝贵的东西。根据“in our lives”可知是我们生命中最宝贵的东西,故此处修饰名词thing,用形容词的最高级most valuable“最宝贵的”。故填most valuable。
52.stealing
【解析】句意:狗已经放弃从厨房偷肉了。give up doing sth.“放弃做某事”,是固定搭配;提示词“stole”是steal“偷”的过去式,steal的动名词是stealing。故填stealing。
53.has been dead
【解析】句意:袁隆平先生已经去世三年了,但人们还记得他。根据“for three years”可知,句子时态为现在完成时,其结构为have/has done,且应用延续性动词,die对应的延续性动词是be dead,主语是第三人称单数,助动词应用has,be的过去分词是been。故填has been dead。
54.has turned
【解析】句意:到目前为止,中国已经将部分沙漠变成了森林。根据“So far”可知,该句是现在完成时,其结构为“have/has done”,主语是China,助动词填has,动词改为过去分词turned。故填has turned。
55.valuable
【解析】句意:水是最宝贵的资源之一,我们必须尽力节约它。“one of+the+形容词最高级+可数名词复数”表示 “……中最……之一”,此处需要用形容词最高级,且“value”的形容词形式是“valuable (有价值的)”。故填valuable。
56.development
【解析】句意:科技的发展让学生们在线学习英语变得更容易了。develop“发展”,动词。根据空前的定冠词“The”可知,此处需要名词作主语,develop的名词形式是“development”,且为不可数名词。故填development。
57.have checked
【解析】句意:——现在我可以用电脑搜索信息了吗?——当然,我们已经检查了。随便用!根据“we… it. Help yourself! ”可知,此处表示强调过去的动作对现在造成的影响,应用现在完成时,主语we是复数形式,助动词用have,动词check的过去分词为checked。故填have checked。
58.have taken
【解析】句意:自从2010年,我的家乡发生了巨大的变化。根据“since 2010”可知,句子应用现在完成时,主语为Great changes,助动词用have,take的过去分词为taken。故填have taken。
59.progress
【解析】句意:艾伦在五十岁时开始学英语,她已经取得了很大的进步。progress“进步”,不可数名词;make great progress表示“取得巨大进步”。故填progress。
60.has eaten
【解析】句意:不仅玛丽,而且她的朋友也吃光了巧克力。一点都不剩了。“not only... but also...”连接两个并列主语时,谓语动词的单复数需与“but also”后的主语保持一致,这一规则被称为“就近原则”;根据“There’s none left.”可知,巧克力一点都没剩下,强调的是“吃巧克力”这个动作对现在造成的结果,时态为现在完成时,助动词用has,eat的过去分词是eaten。故填has eaten。
61.stole
【解析】句意:小偷刚才从商店偷走了三块名表。steal“偷”,动词;根据“just now”可知,事情发生在过去,时态是一般过去时,谓语动词要用过去式。故填stole。
62.have cleaned
【解析】句意:——加里,我已经打扫了你的房间。我希望你能保持它像现在一样干净。——好的!我每个星期天都会打扫的。根据“I hope you can keep it as clean as it is now.”可知,房间现在很干净,这是打扫的结果,即“打扫”发生在过去,对现在产生了影响,符合现在完成时的定义;现在完成时结构have/has done,主语是I,助动词是have,clean的过去分词是cleaned。故填have cleaned。
63.has cost
【解析】句意:多年来,参加赛车比赛花了他一大笔钱。cost“花费,使损失”,动词;根据“Over the years”可知,时态为现在完成时“have/has done”。动名词“taking part in car racing events”作主语,助动词用has;cost的过去分词为cost。故填has cost。
64.worse
【解析】句意:他的感冒甚至比昨天更严重了。我们不得不带他去医院。“than”是比较级的标志词,“ill”的比较级是“worse”,意为“更严重的”。故填worse。
65.has forgotten
【解析】句意:到目前为止,他已经忘记了过去的所有痛苦。根据“so far”可知句子用现在完成时,主语是He,助动词用has,forget的过去分词是forgotten。故填has forgotten。
66.social
【解析】句意:高房价会引发一些社会问题。空处修饰名词problems,用形容词social“社会的”。故填social。
67.has stolen
【解析】句意:这个小偷自从辍学以来,已经偷了许多珍宝。steal“偷”为动词,根据“since he dropped out of school”可知,since“自从”表示动作从过去某个时间点开始,一直持续到现在。因此,主句应使用现在完成时,其结构为have/has done,主语The thief为名词单数,助动词用has,动词steal的过去分词为stolen。故填has stolen。
68.volunteering
【解析】句意:我的哥哥期待着去山村支教。“look forward to”中“to”是介词,后接动名词形式,“volunteer”的动名词是“volunteering”,意为“志愿做”。故填volunteering。
69.importance
【解析】句意:在我意识到自我控制的重要性后,我花更少的时间玩电脑游戏了。the+名词+of“……的……”,固定搭配,要用important的名词形式importance。故填importance。
70.stole
【解析】句意:警察抓住了刚才偷女人钱包的那个男人。steal“偷”,根据“just now”可知,时态为一般过去时,主句用一般过去时,从句也用过去时态,steal的过去式为stole。故填stole。
71.have learned/have learnt
【解析】句意:自这个学期以来,我们学了很多新单词。根据“since the beginning of this term.”可知,本句用现在完成时,谓语结构为“have/has+过去分词”,主语We为复数,用have,learn的过去分词为“learned/learnt”。故填have learned/learnt。
72.importance
【解析】句意:我妈妈经常告诉我省钱的重要性。important重要的,形容词;根据“the”可知,“the...of...”是一个常用结构,表示“……的……”,这里需要一个名词来表达“重要性”的意思,“important”的名词形式是“importance”,意为“重要性”,故填importance。
73.have learned/have learnt
【解析】句意:我们学习英语已经超过五年了。根据“for more than 5 years”可知表示从过去开始一直持续到现在的动作,应用现在完成时,动词learn的过去分词形式为learned/learnt。主语we对应have。故填have learned/learnt。
74.has been dead
【解析】句意:他的狗已经死了两年了。根据“for two years”可知,句子强调“狗已经死了两年”,表示从过去持续到现在的状态,需用现在完成时(has/have + 过去分词);“die”是短暂性动词,不能直接与“for two years”连用,需转换为延续性状态“be dead”;主语“His dog”为单数,所以填“has”,be动词的过去分词为been。故填has been dead。
75.taught
【解析】句意:据我所知,他已经在这所学校教数学8年了。“for 8 years”是现在完成时的标志,现在完成时的结构是“have/has+动词过去分词”;teach的过去分词是taught。故填taught。
76.haven’t seen
【解析】句意:这两个姐妹自从高中毕业后就再没见过面。根据“since they finished high school.”可知,此句是现在完成时,主语是复数名词,助动词用have,和not缩写为haven’t,see的过去分词为seen。故填haven’t seen。
77.has changed
【解析】句意:自1978年以来,我们习惯的生活发生了变化。根据句中“since 1978”可知,该句为现在完成时“have/has+动词过去分词”,主语为单数形式“The life”,助动词用has,故填has changed。
78.have lived/have been living
【解析】句意:我父母自2008年以来一直住在那座城市。根据“since 2008”可知,此句时态可以用现在完成时,表示从过去持续到现在的动作或状态,结构为have/has done;此句时态还可以用现在完成进行时,强调动作的延续,结构为have/has been doing。主语为“My parents”,助动词用have,live“居住”,动词,过去分词为lived,现在分词为living。故填have lived/have been living。
79.have visited
【解析】句意:这是我第一次参观北京。根据“This is the first time”可知,此句时态为现在完成时,结构为have/has done。主语为“I”,助动词用have;visit“参观”,动词,过去分词为visited。故填have visited。
80.probably
【解析】句意:人们将会有更多空闲时间,所以他们可能会有更多假期。此处修饰动词 “have” ,要用副词 ;“probable” 的副词形式是 “probably” (可能;大概 ),故填 probably。
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