Unit 3【刷语法】(重点语法提升练)-2022-2023学年九年级英语全一册单元模块满分必刷题（人教版）

这是一份Unit 3【刷语法】(重点语法提升练)-2022-2023学年九年级英语全一册单元模块满分必刷题（人教版），共17页。
2022-2023学年九年级英语全一册单元模块满分必刷题（人教版）Unit 3【刷语法】(重点语法提升练)特殊疑问词引导的宾语从句宾语从句是在主从复合句中作主句的宾语的句子。如Rose said she would visit us sometime next week. 露丝说她下星期某时会来看我们。↓                 ↓主句        从句 (宾语从句)Could you tell me where he is from? 你能告诉我他来自哪里吗？↓               ↓主句      从句 (宾语从句) 考点1：引导词的选用 考点2：语序 (宾语从句中从句要用陈述句语序，即从句中的第1动词在主语之后）He asked Jane: “Why don’t you come”?                   疑问语序(第1动词don’t 在主语you之前)He asked Jane why she didn’t come last night. 他问简恩为什么昨晚她不来。                陈述语序(第1动词didn’t 在主语she之后)Lucy wanted to know if I could make a cake for you.露丝想知道我是否会为你做个蛋糕。 特殊：①.What’s wrong with …在宾语从句中不变语序。如： I want to know what’s wrong with you.我想知道你怎么啦。②. 引导词在从句中做主语时，语序不变。如：  Jack asked me who would give us the lecture this afternoon.杰克问我谁今天下午会给我们做报告。(who 是引导词，在宾语从句中作动词would give的主语，本身己是陈述语序，不需再变。) 考点3：时态(1). 主句是现在时(一般现在时，一般将来时，现在进行时，现在完成时)，从句该用什么时态就用什么时态。“John speaks highly of you.”  Tom tells me.→Tom tells me that John speaks highly of me. 汤姆告诉我约翰高度评价我。(主句用tells, 是一般现在时，从句原时态是speaks,在这里还是用speaks)(2). 主句是过去时(一般过去时，过去进行时)，从句只用过去某种相应时态。“When shall we have the meeting?” The boy asked.→The boy asked when they should have the meeting. 男孩问他们应该什么时候开会。(主句用asked，是一般过去时，从句用相应的某种过去时，这里shall→should)(3). 从句表示客观真理或事实时，主句即使用过去时，从句仍然用一般现在时。“The earth goes around the sun.” The teacher told the students.→The teacher told the students that the earth goes around the sun. 老师告诉学生们地球绕着太阳走。(主句用told, 为一般过去时，但从句中the earth goes around the sun是客观事实，所以时态还用一般现在时，不用变)Jim asked me whether the light travels faster than the sound. 一、单项选择1．（2022·辽宁锦州·中考真题）—Mary’s birthday is coming. I don’t know ________.—Why not buy a scarf for her?A．what I should doB．when I should buy her a giftC．where I should have a party for herD．who I should invite2．（2022·辽宁丹东·中考真题）— Do you know _______?— They think it is very successful.A．when the 24th Winter Olympic Games took placeB．what the foreigners think of the 24th Winter Olympic GamesC．why the 24th Winter Olympic Games took place in BeijingD．how the Chinese players did in the 24th Winter Olympic Games3．（2022·广西河池·中考真题）—David, could you tell me ________?—He is tall and has short hair.A．what our new P.E. teacher looks likeB．what our new P.E. teacher likesC．where our new P.E. teacher comes fromD．when our new P.E. teacher was born4．（2022·江苏常州·中考真题）—Mum, do you know ________? An engineer.—That’s interesting. I guess you often fix things for others in your school.A．what do my classmates call me B．what my classmates call meC．why do my classmates call me D．why my classmates call me5．（2022·内蒙古包头·中考真题）I wasn’t sure what to write for my school project, so I asked my Dad ________ I should do.A．how B．where C．which D．what6．（2022·贵州铜仁·中考真题）—Tom, could you tell me ______?—She is an office worker.A．who is she B．who she is C．what she is D．what is she7．（2022·江苏无锡·中考真题）— There will be a robot on show in our school next week.— Really? I wonder ________.A．what it likes B．what it is like C．what does it like D．what is it like8．（2022·云南昆明·中考真题）— Could you please tell me ________ when they meet for the first time in China?— They usually shake hands.A．what do people usually do B．what people usually doC．where do people usually go D．where people usually go9．（2022·广西玉林·中考真题）—As a teenager, do you know ________ when you are in trouble?—Yes, I can ask my parents, teachers or any other adult I trust. A．who can you ask for helpB．how can you ask for helpC．who you can ask for helpD．how you can ask for help10．（2022·江苏镇江·中考真题）SHENZHOU-14 was lifted off successfully! Could you tell me _______?A．in which centre it will be lifted offB．who entered China Space Station this timeC．what will it mean to the development of ChinaD．that three astronauts entered China Space Station11．（2021·广西贵港·中考真题）—Could you tell me ________?—Yes. The famous volleyball coach Lang Ping.A．who do you admire B．who you admireC．what sports do you like D．what sports you like12．（2013·江西南昌·中考真题）Do you know          I saw yesterday? It was my favorite star, Jackie.A．when B．where C．whom D．how13．（2022·四川广元·中考真题）—The 2022 Winter Olympics was held in China. Do you know ______?—Yes. In Beijing and Zhangjiakou.A．when it was held B．when was it held C．which cities was it held in D．which cities it was held in14．（2017·四川内江·中考真题）—I don’t know ________. Can you give me some advice?—How about Mo Yan’s? He is famous now.A．whose novel I should buy B．whose novel should I buyC．where I can buy the novel D．Where can I buy the novel15．（2020·辽宁盘锦·中考真题）—Could you tell me __________?—I’m not sure. Let’s go and ask our teacher.A．that I can spend my holidayB．how can I do better in my lessonsC．whom can I make friends withD．which senior high I can choose16．（2020·山东东营·中考真题）— I wonder_________. — Well, I think Qingfeng Lake Park is a good choice.A．what I shall sell at my street stall（货摊）B．whom I could open a street stall withC．if I can open a street stall after workD．which is the best place for a street stall17．（2022·辽宁抚顺·中考真题）— Could you tell me ________?— At the end of May.A．why you called meB．when you got the prizeC．how the weather was thereD．where you went on a trip18．（2022·辽宁大连·中考真题）—Do you know ________.—At 9:00 a.m.A．where the Science Museum isB．when the Science Museum opensC．where is the Science MuseumD．when does the Science Museum open19．（2022·辽宁沈阳·中考真题）—Hi, Tom. Could you tell me ________?—I’ll go there next Sunday.A．how you will go to Beiling Park B．when you will go to Beiling ParkC．how will you go to Beiling Park D．when will you go to Beiling Park20．（2022·广西梧州·中考真题）—Mr.Brown, could you tell me ________ our Chinese exam?—Sure. It will be in Room 201.A．when will we have B．where will we haveC．when we will have D．where we will have21．（2022·湖北荆州·中考真题）—Could you please tell me ________? —You can park it in the parking lot, across from the street.A．where I can park my car B．when I can park my carC．how can I get to the parking lot D．it is the way to the parking lot22．（2022·湖北鄂州·中考真题）— Could you please tell me _________ buy a magazine? — There is a bookstore on the third floor.A．how can I B．where can I C．how I can D．where I can23．（2022·云南·中考真题）— Your stamps are so fantastic. Could you please tell me ________?— Oh, I bought them in the post office next to the bank.A．why did you buy them B．where did you buy themC．why you bought them D．where you bought them24．（2022·重庆·中考真题）—Can you tell me ________?—Yes, in the language center.A．where will the speech competition be held B．where the speech competition will be heldC．when will the speech competition be held D．when the speech competition will be held25．（2021·四川甘孜·中考真题）—Mike, I wonder ________ we’ll go this weekend.—To the museum.A．when B．why C．how D．where26．（2022·吉林长春·中考真题）— Mr. Li, could you please tell me ________?— Sure. We usually eat mooncakes and get together.A．how you celebrate the Mid-Autumn FestivalB．how do you celebrate the Mid-Autumn FestivalC．when you celebrate the Mid-Autumn FestivalD．when do you celebrate the Mid-Autumn Festival27．（2022·贵州黔西·中考真题）—Hi, Jacky. What’s that in your hand?—It’s a book about volleyball. It tells us ________ good volleyball players.A．what can we be B．what we can be C．how can we be D．how we can be28．（2022·山东滨州·中考真题）—Do you know ________?—Yes. We should try to waste less but recycle more.A．how can we live a green life B．how we can live a green lifeC．why should we live a green life D．when we should live a green life29．（2022·辽宁营口·中考真题）—Jane, could you please tell me ________? —I take exercise at least an hour every day.A．how you keep healthy and strongB．when you joined the swimming clubC．where you do exerciseD．who you play tennis with30．（2022·辽宁朝阳·中考真题）—Excuse me, could you please tell me_________?—By working hard and never giving up.A．who you often practice English withB．if you will pay more attention to the traffic rulesC．when you got used to the life hereD．how you will achieve your dream31．（2022·辽宁鞍山·中考真题）—What did Mary say to you?—She asked me ________.A．when our teacher will come back B．where Mike goesC．why I liked the beef noodles D．if there are new words in the article32．（2022·江苏南通·中考真题）Sandy asked the boy ________.A．why did he like English films B．how he will improve his EnglishC．why he read the English magazine D．how many new words he has learned33．（2022·北京·中考真题）—Do you know _________ the new national park?—Yes, I do. To protect wildlife and benefit the local people.A．why did China set up B．why China set upC．when did China set up D．when China set up34．（2022·湖北武汉·中考真题）—Can you tell me ________?—To get practical skills.A．what do you learn about safety B．when do you have the art festivalC．how you balance your studies and hobbies D．why you learn cooking at school35．（2022·四川达州·中考真题）— I wonder ________ late for school yesterday. — Bad luck! I got up late and missed the bus.A．how you were B．why were you C．how were you D．why you were 二、完成句子36．（2020·辽宁朝阳·中考真题）请你告诉我银行在哪里好吗？Could you please tell me __________________?37．（2020·湖北荆州·中考真题）Before asking someone for help, you’d better _______________the right person for the problem. 让其他人帮忙之前，你最好找到谁是解决问题的合适人员。（find）38．（2021·江苏无锡·中考真题）能否完成这项任务并不取决于你愿意花多少时间。Whether you can finish this task ________ to spend on it.39．（2020·江苏常州·中考真题）你介意解释一下你为什么不想和Sandy保持联系吗？Would you mind______________________ Sandy?40．（2020·广东广州·中考真题）我很好奇你在艺术节唱了哪首歌。I wonder_________song__________ ____________at the art festival.41．（2022·广东广州·三模）罗宾不知道在哪里可以买到一双鞋给妈妈。Robin had no idea ________   ________   ________   ________ a pair of shoes for his mother.42．（2022·广东广州·二模）你能告诉我为什么你昨天没有来吗？Could you tell me ________ ________ ________ ________ yesterday?43．（2022·广东·广州华侨外国语学校二模）我想知道Jenny是怎么算出这道题的。I wonder ________ ________ ________ ________ the problem.44．（2022·广东·广州市第一中学一模）宇航员们向我们展示了他们在太空中如何做实验。The astronauts have shown us ______ ______ ______ experiments in space.45．（2022·江苏·无锡市天一实验学校二模）我想知道他们为何如此痴迷于单板滑雪。I wonder ________ snowboard.46．（2022·广东·广州市第一中学二模）打扰一下，你能告诉我该把这本书放在哪里呢？Excuse me. Could you tell me ______ ______ ______ ______ this book?47．（2022·广东·西关外国语学校三模）你知道他每周去几次图书馆吗？Do you know ________ ________ ________ ________ ________ to the library every week?48．（2022·广东广州·一模）你能想象 2035 年我们的生活会是什么样子吗？Can you imagine ________ our life ________ in 2035?49．（2022·湖北·黄石八中二模）这部两小时的电影向我们展示我们家乡这些年的变化。The two-hour/two hours’ film shows ________ ________ our hometown ________ ________ these years.50．（2022·广东广州·一模）这个展览告诉我们，为什么我们应该采取行动来阻止空气污染。The exhibition tells us ________ ________ ________ ________ action to stop air pollution. 参考答案：1．A【详解】句意：——玛丽的生日快到了。我不知道该怎么办。——为什么不给她买条围巾呢？考查宾语从句。根据“Why not buy a scarf for her?”可知此处是建议去做的事情，说明上句是问应该怎么做，应用what引导宾语从句，故选A。2．B【详解】句意：——你知道外国人是怎么看待第24届冬奥会的吗？——他们认为很成功。考查宾语从句。根据“They think it is very successful.”可知问句询问看法，用句型What...think of。故选B。3．A【详解】句意：——你可以告诉我我们新来的体育老师长什么样吗？——他个子很高，短头发。考查宾语从句。what our new P.E. teacher looks like我们新来的体育老师长什么样；what our new P.E. teacher likes我们新来的体育老师喜欢什么；where our new P.E. teacher comes from我们新来的体育老师从哪里来；when our new P.E. teacher was born我们新来的体育老师什么时候出生的。根据答句“He is tall and has short hair.”可知他个子很高，短头发。可推测问题应是询问我们新来的体育老师长什么样。故选A。4．B【详解】句意：——妈妈，你知道我的同学叫我什么吗？一名工程师。——这很有趣。我猜你经常在学校帮别人修东西。考查宾语从句。此处是宾语从句，需用陈述语序，排除AC；根据“An engineer.”可知，是“叫我什么”，用what。故选B。5．D【详解】句意：我不确定我的学校项目写什么，因此我问我的爸爸我应该做什么。考查宾语从句。how怎样；where哪里；which哪一个；what什么。“asked my Dad”后是宾语从句，根据“I should do”可知，句子表达应该做什么，用“what”引导从句。故选D。6．C【详解】句意：——Tom，你能告诉我她是做什么的吗？——她是一个办公室工作人员。考查宾语从句。宾语从句应用陈述句语序，故排除A和D项；根据“She is an office worker.”可知回答的是职业，故排除B项。故选C。7．B【详解】句意：——下周将有一个机器人在我们学校展出。——真的？我想知道它是什么样的。考查宾语从句。此句是宾语从句，从句用陈述语序，排除选项C、D；根据“There will be a robot on show in our school next week.”可知，询问机器人是什么样子，故选B。8．B【详解】句意：——你能告诉我人们在中国第一次见面时通常会做什么吗？——他们通常握手。考查宾语从句。句子是宾语从句，用陈述语序，排除AC；根据“They usually shake hands”可知上文询问第一次见面做什么，用what引导宾语从句。故选B。9．C【详解】句意：——作为一个青少年，你知道当你遇到困难时可以向谁寻求帮助吗？——是的，我可以问我的父母、老师或我信任的任何其他成年人。考查宾语从句。句子是宾语从句，用陈述语序，排除AB；根据“I can ask my parents, teachers or any other adult I trust”可知上文询问向谁寻求帮助，用who引导宾语从句。故选C。10．B【详解】句意：神舟14号成功发射了！你能告诉我这次是谁进入了中国空间站吗？考查宾语从句。宾语从句用陈述语序：连接词+主语+谓语，据此排除C选项，A选项形式错误，排除；此句是询问对方一件事情，D选项不符合，故选B。 11．B【详解】句意：——你可以告诉我你钦佩谁吗？——好的。著名排球教练郎平。考查宾语从句。此句是宾语从句，从句用陈述语序，排除A和C选项。根据答语“The famous volleyball coach Lang Ping”可知，是询问人，应用who引导宾语从句，故选B。12．C【详解】--你知道我昨天看到谁了吗？我看到我最喜欢的明星Jackie了。从答句可以判断这里应该问谁，因为是做saw 的宾语，所以用who的宾格whom, 故选C。13．D【详解】句意：——2022年冬奥会在中国举行。 你知道它在哪些城市举行吗？——是的。 在北京和张家口。考查宾语从句。根据“Do you know”可知，本句是宾语从句，需用陈述语序，可排除BC选项；再根据“In Beijing and Zhangjiakou.”可知，此处是询问的是地点，在哪些地方举办。故选D。14．A【详解】句意：——我不知道我应该买谁的小说？你能给我一些建议吗？——莫言的小说怎么样？他现在很出名。 考查宾语从句。宾语从句要用陈述语序，故可排除BD。再根据答语“How about Mo Yan’s? He is famous now.”可知问的是谁的小说而不是问地点，故可排除C。故选A。15．D【详解】句意：——你能告诉我，我可以选哪所高中吗？——我不确定。我们去问问我们的老师。考查宾语从句。tell sb. sth.表示“告诉某人某事”，题干中空格处所填从句做了tell的宾语，是一个宾语从句；宾语从句要用陈述句语序，即主语要在谓语动词之前，排除B和C；又根据回答“I’m not sure. Let’s go and ask our teacher.”可知，A不符合语境，故选D。16．D【详解】句意：——我想知道哪一个地方最适合摆摊。——嗯，我觉得清风湖公园是个不错的选择。考查宾语从句。what I shall sell at my street stall我要在街边摊位上卖什么；whom I could open a street stall with我可以和谁摆摊；if I can open a street stall after work我下班后是否可以摆摊；which is the best place for a street stall哪个地方最适合摆摊。根据答语“I think Qingfeng Lake Park is a good choice”可知，清风湖公园是一个不错的选择，故问句询问的应是哪一个地方适合摆摊，故应用which引导宾语从句。故选D。17．B【详解】句意：——你能告诉我你是什么时候得奖的吗？——五月底。考查宾语从句。根据“At the end of May.”可知是问时间，故选B。18．B【详解】句意：——你知道科学博物馆什么时候开放吗？——上午9点。考查宾语从句。know后缺少宾语，用宾语从句，宾语从句用陈述语序，据此排除CD选项。根据“At 9:00 a.m.”可知是问时间，故选B。19．B【详解】句意：——你好，汤姆。你能告诉我你什么时候去北陵公园吗？——我下星期天要去那里。考查宾语从句。此处是宾语从句，需用陈述语序，排除CD；根据答语“I’ll go there next Sunday.”可知，对时间进行提问，故选B。20．D【详解】句意：——布朗先生，你能告诉我语文考试在哪里举行吗？——当然可以。在201房间。考查宾语从句。宾语从句使用陈述语序，排除AB选项。根据“It will be in Room 201.”可知是指地点，用where引导宾语从句，故选D。21．A【详解】句意：——你能告诉我可以把车停在哪里吗？——你可以把车停在街对面的停车场。考查宾语从句。where I can park my car我可以把车停在哪里；when I can park my car我可以什么时候停车；how can I get to the parking lot我如何去停车场；it is the way to the parking lot这是去停车场的路。根据答语“You can park it in the parking lot, across from the street.”可知，问句询问在哪里停车，用where引导宾语从句。故选A。22．D【详解】句意：——你能告诉我在哪能买到杂志么？——在第三层有一家书店。考查宾语从句。“tell me”后是宾语从句，从句是陈述句的语序，即“引导词+主语+谓语动词”。A和B选项的语序错误。根据“There is a bookstore on the third floor”可知从句表达“在哪里能买到杂志”，用疑问词“where”引导从句。故选D。23．D【详解】句意：——你的邮票太棒了。 你能告诉我你在哪里买的吗？——哦，我在银行旁边的邮局买的。考查宾语从句。此处是宾语从句，从句用陈述语序，排除A和B选项。根据答语“I bought them in the post office next to the bank”可知，询问在哪里买的，用where引导宾语从句，故选D。24．B【详解】句意：——你能告诉我演讲比赛将在哪里举行吗？——是的，在语言中心。考查宾语从句。tell后缺少直接宾语，用宾语从句，宾语从句用陈述语序，排除AC；再由“Yes, in the language center.”可知问地点，用where引导宾语从句，排除D。故选B。25．D【详解】句意：——迈克，我想知道我们这个周末去哪里。——去博物馆。考查宾语从句的引导词。when什么时候；why为什么；how如何；where哪里。根据“To the museum.”可知，此处询问这个周末我们去哪里，用疑问词where，故选D。26．A【详解】句意：——李先生，你能告诉我你们是怎么庆祝中秋节的吗？——当然。我们通常吃月饼和聚会。考查宾语从句。此处是宾语从句，从句用陈述语序，排除B和D选项。根据答语“We usually eat mooncakes and get together”可知，询问庆祝节日的方式，用how引导宾语从句，故选A。27．D【详解】句意：——嗨，杰基。你手里拿的是什么？——这是一本关于排球的书。它告诉我们如何才能成为优秀的排球运动员。考查宾语从句。宾语从句用陈述句语序，排除A/C选项；结合“It’s a book about volleyball. It tells us...good volleyball players.”可知，这本书告诉我们如何成为优秀的排球运动员，应用how引导宾语从句，故选D。28．B【详解】句意：——你知道我们如何过绿色生活吗？——是的。我们应该尽量少浪费，多回收利用。考查宾语从句。根据“Do you know...”可知，此处是宾语从句，需用陈述语序，可排除AC选项；再根据“We should try to waste less but recycle more.”可知，这是过绿色生活的方式，用how引导宾语从句。故选B。29．A【详解】——简，你能告诉我你是如何保持健康强壮的吗？——我每天至少锻炼一个小时。考查宾语从句。根据题干及备选项可知，此处考查宾语从句。再根据“I take exercise at least an hour every day.”可知，此处询问方式，则引导词为how。故选A。30．D【详解】句意：——打扰一下，你能告诉我你将如何实现你的梦想吗？——通过努力工作和永不放弃。考查宾语从句。此处是宾语从句，根据答语“By working hard and never giving up.”可知，此处对方式进行提问，故选D。31．C【详解】句意：——玛丽对你说了什么？——她问我为什么喜欢牛肉面。考查宾语从句。根据“She asked me”可知，此处是宾语从句，主句是一般过去时，从句也要用相应过去的时态，可排除ABD选项。故选C。32．C【详解】句意：桑迪问男孩为什么看英文杂志。考查宾语从句。分析句子可知，本句是宾语从句，需用陈述语序，可排除A选项；再根据“Sandy asked the boy”可知，主句是一般过去时，从句也要用相应的过去时态，可排除BD选项。故选C。33．B【详解】句意：——你知道中国为什么要建立新的国家公园吗？——是的，我知道。为了保护野生动物，造福当地人民。 考查宾语从句。此处是宾语从句，需用陈述语序，排除AC；根据答语“To protect wildlife and benefit the local people.”可知，此处表示目的，故选B。34．D【详解】句意：——你能告诉我你为什么在学校学烹饪吗？——为了获得实用技能。考查宾语从句。tell后缺少直接宾语，用宾语从句，宾语从句用陈述语序，排除AB；再由“To get practical skills”可知此处询问做某事的原因，用why引导的宾语从句。故选D。35．D【详解】句意：——我想知道你昨天为什么上学迟到了。 ——运气太差了！我起晚了，没赶上公共汽车。 考查宾语从句。宾语从句需用陈述语序，排除BC；根据“I got up late and missed the bus.”可知，此处解释迟到的原因，故选D。36．where the bank is【详解】“Could you please tell me”后接宾语从句，用陈述语序，描述一般事实，用一般现在时。在哪里where；银行the bank，在从句中作主语，其后接be动词is。故填where the bank is。37．find out who is【详解】表示“最好做某事”用固定结构“had better do”,此处用动词原形。表示“找到”用动词短语find out，后面是宾语从句，用陈述句的语序。表示“谁是”，疑问词是who，谓语是单数is。故填find out who is。38．doesn’t depend on how much time you are willing【详解】取决于depend on，后接宾语从句，根据中文提示，此处是否定句，应用助动词do/does构成，主语是Whether you can finish this task，助动词用does，否成是doesn’t，后接动词原形；多少时间how much time，是宾语从句的引导词；你愿意you are willing to；故填doesn’t depend on how much time you are willing。39．explaining why you don’t want to keep in touch with【详解】mind doing sth介意做某事，其后应接动名词形式；explain解释，动词；want to do sth想要做某事，其后应接动词不定式；keep in touch with和……保持联系；由句意及句子结构可知本句应用why引导宾语从句，应用陈述句语序，且为否定句，从句时态为一般现在时，句中有实义动词，主语为第二人称，故应用助动词don't。故填explaining why you don’t want to keep in touch with。40．     which     you     sang【详解】which song哪首歌，根据句意“唱了”，此处叙述发生过的事，用一般过去时，sing“唱”，过去式是sang。作为动词wonder的宾语从句，用陈述语序：疑问词+主语+谓语+宾语，故填which， you， sang。41．     where     he     could     buy【详解】where“在哪里”，he“他”，can“能”，buy“买”，根据“had”可知，主句是一般过去时，从句也要用过去式，故填where；he；could；buy。42．     why     you     didn’t     come【详解】why“为什么”，引导宾语从句，从句用陈述语序，根据“yesterday”可知，从句时态用一般过去时，you“你”，come“来”，否定句借助助动词didn’t，置于come前。故填why；you；didn’t；come。43．     how     Jenny     worked     out【详解】how“怎么”，work out“算出”，从句动作发生在过去，动词用过去式，故填how；Jenny；worked；out。44．     how     they     did【详解】“如何”how，引导宾语从句，用陈述语序；“他们”they，从句主语；“做”do。主现从不限，从句用表示过去做实验，用一般过去时，do的过去式为did。故填how；they；did。45．why they are so crazy about【详解】wonder后缺少宾语，此处用宾语从句，“为何”why，引导宾语从句；“他们”they，作从句主语；“痴迷于”be crazy about；“如此”so，修饰形容词crazy。主现从不限，从句用一般现在时，主语“they”后用be动词are。宾语从句应该用陈述句语序。故填why they are so crazy about。46．     where     I     should     put【详解】tell后缺少直接宾语，用宾语从句，宾语从句用陈述语序。“在哪里”where，引导宾语从句；“我”I，从句主语；“应该”should，后接动词原形；“放”put。故填where；I；should；put。 47．     how     many     times     he     goes【详解】“几次”how many times；“他”he；“去”go。know后是how引导的宾语从句，用陈述语序，结合“every week”可知用一般现在时，主语“he”后用动词第三人称单数形式goes。故填how；many；times；he；goes。48．     what     will be like【详解】句子是宾语从句，用陈述语序；主句是现在时，从句主语遵循“主现从不限”，根据“in 2035”可知从句应使用一般将来时will do，故“……会是什么样子”可表达为“what...will be like”。故填what；will be like。49．     us     how     has     changed【详解】向某人展示某物：show sb. sth.，作宾语用代词宾格us“我们”，其后加的是宾语从句，用陈述语序，且由语境可知，此处是how引导的宾语从句，根据“these years”可知从句使用现在完成时have/has done，从句主语是“our hometown”，助动词用has，change“变化”的过去分词是changed。故填us；how；has；changed。50．     why     we     should     take【详解】why表示“为什么”，根据“The exhibition tells us...”可知此句是why引导的宾语从句，从句采用陈述句语序。should表示“应该”，情态动词，后接动词原形；take action表示“采取行动”。故填why；we；should；take。