(完整版)仁爱版英语九年级下册Unit5-Topic2复习与练习题(有答案)
Unit5 Topic2重点短语1.in the field of education2.receive/get/have a good education3.at the age of 554.search for…5.in one’s thirties6.pass away/diee to an end8.be proud of/be the pride of/take pride in9.die of illness10.in total11.take an active part in…12.be/become popular with…13.bring down the Qing dynasty14.break down from hard work15.full of regret16.face the danger of…17.wipe out18.succeed in doing sth.19.move/take/carry…to safety重点句型1.He was a great thinker who had many wise ideas about human nature andbehavior.2.He was also a famous philosopher whose wise sayings have influenced manypeople in different countries.3.He was a Ming dynasty explorer who/whom the Chinese people are proud of.4.Unfortunately, Sun Yat-sen broke down from hard work and passed away full ofregret.5.In the autumn of 1933, the Red Army faced the danger of being wiped out by theKMT.重点语法定语从句（Ⅱ）关系代词的用法1. 指人的关系代词（1）who指人，that也可指人，在从句中作主语或宾语。
作主语时不可省略，作宾语时可以省略。
eg. He is the man who/that I saw yesterday.（作宾语，可以省）The boys who/that are playing football are from Class One. （作主语，不能省）(2) whom指人，是who的宾格形式，在从句中只能作宾语。
eg. He is the person whom I don't want to get along with.The man whom you met just now is my friend.(3)whose既可以指人，也可以指物，在从句中作定语，不可省略。
eg. Do you like the book whose color is yellow?（whose指物）He has a friend whose father is a doctor.（whose指人）2.介词+which/whom关系代词在定语从句中作宾语时，若关系代词前有介词时，指人只能用whom，指物只能用which。
若关系代词前没有介词时，指人可用who/that/whom/--，指物可用which/that/--。
eg. Mr. Liu is the person with whom you talked on the bus.Mr. Liu is the person whom/who/that/-- you talked with on the bus.3. 关系代词只用that的情况(1)当先行词被最高级或序数词所修饰时；This is the best book that I have read this year.This is the second book that I have read this year.(2)当先行词既有人又有物时；They talked about the people and things that they remembered.(3)当先行词是all, any, anything, everything, nothing等不定代词或被它们修饰时；All that he said is true.I'm going to buy everything that I need.(4)当先行词被the only, the very, the same, the last等修饰时；The only thing that he could do was to run away.(5)当主句以who或which开头时，定语从句中引导词用that，不用which 或who，以避免重复。
Who is the girl that is wearing a red coat?综合练习题Ⅰ.根据句意及首字母提示填空。
1. Zheng He is really the p_____ of China.2. Sun Yat-sen and his men b down the Qing dynasty.3.Song Zuying is famous in the f________ of folk music.4. He r _______ that he never went to a college.5.Jim d_______ me in the high jump yesterday.6.We all like teachers w________ class is interesting and creative.7.The ship is s_______ for Shanghai tomorrow.8.The boy has been missing for three days. Everyone is worrying about hiss_______. .9. I visited a beautiful small village on the c ______ of Qingdao last year.10.After joining the WTO, the t ______ between China and other countries hasincreased.Ⅱ.句型装换。
1. The book is really good. We should read it.(合并成一句)The book is really ______ ______ .2. Everyone may know the girl. Her father is called Fang Gang. (合并成一句)Everyone may know the girl_______ father is called Fang Gang.3. Deng Xiaoping died in 2019.(同义句)Deng Xiaoping ______ ______ in 2019.4. Be patient. The meeting will be over at once.(同义句)Be patient. The meeting will ______ ______ ______ ______ at once5. Have you read the poems written by Li Bai? (同义句)Have you read the poems _______ _______ _______ by Li Bai?Ⅲ. 改错。
1. The boy to who you talked is my cousin.2. This kind of car making in China is popular with the young.3. Jim has set up a company by himself in his twentieth.4. Can you win him in the 100-meter race?5. The cars made in Japan are much cheaper than that made in America6. We should take active part in the sports meeting.7. The Red Army faced the danger of wiping our by the KMT in 1933.8. I like to live in the room which window faces south.9. This is the best book which I have ever read.10. He was pride of himself for helping the old.Ⅳ. 用所给词的适当形式填空。
1. The red Army succeeded in _______(arrive) in Gansu Province in 1936.2.Learn the new while _______ (review) the old.3.I ________ (defeat) in the table tennis match the day before yesterday.4.Confucius began to teach in his _________ (thirty).5.__________ (fortune), Zheng He died of illness on his way home from Africa in1433.6.I like those toys that _______ (give) to me by my uncle as birthday presents lastmonth.7. In Africa, many people died of ______ (ill) and________(hungry).8. Receiving a good ________ (educate) is very important.9. The girl who _________ ( like) reading is my daughter.10. Our teacher tells us the _________ (important) of learning English.Ⅴ.单项选择。
初中英语湘教(仁爱)版九年级(下)练习册答案
初中英语湘教（仁爱）版九年级（下）练习册答案Unit 5 Topic 1Section AⅠ. 1。
introduces 2。
tourists 3。
fetch 4. attracted 5。
ProvinceⅡ。
1. second longest 2. lies in 3. goes/runs through；joins 4. ever been；beforeⅢ。
1. which/that were 2。
who works 3. that has 4。
longer；any otherSection BⅠ. 1. happy 2。
seeing 3。
most popular 4。
went 5。
attractionsⅡ。
1。
is worth 2。
because of 3。
as soon as possible 4. had fun 5。
will come true 6. heard ofⅢ。
1-5 DCACB 6—10 CADBCSection CⅠ。
1。
D 2. A 3. A 4。
A 5. C 6。
AⅡ. 1. east 2。
largest 3. population 4。
such 5。
famous 6。
pleasant/nice/fine/wonderful 7. part 8。
are/come 9。
sides 10。
dream/wish/hopeⅢ。
1. Baotu Spring，DamingLake and the Yellow River。
2。
By bus. 3。
At South Heaven Gate。
4。
To watch the beautiful sunrise。
5。
Because it’s th e birthplace of Confucius。
Section DⅠ. 1. heavily 2. covered 3。
going 4。
mainly 5. Southern 6. readingⅡ。
仁爱版英语九年级下册Unit 5 Topic 2词汇互测(单词、音标、词义)(含答案)
Unit 5 Topic 2词汇测试（单词、音标、词义）根据单词、词组写中文意思1.pioneer 2.B.C.3.thinker4.wise5.kindness6.philosopher7.influence8.whom9.pass away 10.unite11.defeat 12.set up13.empire 14.forevere to an end 16.captain17.lead pass 19.sailing 20.sail21.coast 22.unfortunately 23.birth 24.trade25.missile 26.graduation 27.university 28.Pacific Ocean 29.further 30.degree31.aerospace 32.graduate 33.researcher 34.theory35.motherland 36.blank37.institute 38.charge39.in charge of 40.spacecraft 41.related 42.youth43.devotion 44.express45.career 46.destination47.hybrid rice 48.gunpowder 49.printing 50.sailor51.discovery 52.firework53.Arab 54.eastern55.bark 56.rag57.clay 58.inkUnit 5 Topic 2词汇测试（单词、音标、词义）根据音标写单词、词组1./ˌpaɪəˈnɪə(r)/2./biː siː/3./ˈθɪŋkə(r)/4./waɪz/5./ˈkaɪndnəs/6./fəˈlɒsəfə(r)/7./ˈɪnfluəns/8./hu:m/9./pɑ:s əˈweɪ/ 10./juˈnaɪt/11./dɪˈfi:t/ 12./set ʌp/13./ˈempaɪə(r)/ 14./fərˈevə(r)/ 15./kʌm təən end/ 16./ˈkæptɪn/ 17./li:d/ 18./ˈkʌmpəs/ 19./ˈseɪlɪŋ/20./seɪl/21./kəʊst/ 22./ʌnˈfɔ:tʃənətli/ 23./bɜ:θ/24./treɪd/25./ˈmɪsaɪl/ 26./ˌgrædʒuˈeɪʃn/ 27./ˌju:nɪˈvɜ:səti/ 28./pəˈsɪfɪk ˈəʊʃn/29./ˈfɜ:ðə(r)/ 30./dɪˈgri:/31./ˈeərəʊspeɪs/ 32./ˈgrædʒuət/ 33./rɪ'sɜ:tʃə(r)/ 34./ˈθɪəri/35./ˈmʌðəlænd/ 36./blæŋk/37./ˈɪnstɪtju:t/ 38./tʃɑ:dʒ/39./ɪn tʃɑ:dʒəv/ 40./ˈspeɪskrɑ:ft/ 41./rɪˈleɪtɪd/ 42./ju:θ/43./dɪˈvəʊʃn/ 44./ɪkˈspres/ 45./kəˈrɪə(r)/ 46./ˌdestɪˈneɪʃn/ 47./ˈhaɪbrɪd raɪs/ 48./ˈgʌnpaʊdə(r)/ 49./ˈprɪntɪŋ/50./ˈseɪlə(r)/ 51./dɪˈskʌvəri/ 52./ˈfaɪəwɜ:k/ 53./ˈærəb/ 54./ˈi:stən/55./bɑ:k/56./ræg/57./kleɪ/ 58./ɪŋk/Unit 5 Topic 2词汇测试（单词、音标、词义）根据中文意思写单词、词组1.先锋；拓荒者2.公元前3.思想家4.明智的，高明的5.仁慈，善良6.哲学家；深思的人7.影响 8.谁，什么人9.去世；消失 10.统一；联合，团结11.击败，战胜 12.建立，创建；设置13.帝国 14.永远；长久地15.结束 16.船长，舰长；(海军)上校17.率领，领导；引领 18.指南针，罗盘；圆规19.航行 20.航行；起航21.海岸；海滨 22.不幸地23.出生 24.贸易，买卖；互相交换25.导弹 26.毕业27.大学 28.太平洋29.进一步的 30.(大学)学位；度31.航空航天工业 32.毕业；；毕业生33.研究员 34.理论；原理35.祖国 36.空白；空白处，空格37.机构 38.主管；掌管；要价；收费39.主管；掌管；负责 40.宇宙飞船41.相关的，有联系的 42.青年，年轻人43.关爱；奉献；忠诚 44.表达；表露45.事业；职业 46.目的地；终点47.杂交水稻 48.火药49.印刷；印刷术 50.水手，海员51.发现 52.烟花；焰火53.阿拉伯人；阿拉伯的 54.东方的，东部的55.树皮；狗叫声；狗叫 56.破布，抹布57.黏土 58.墨水，油墨参考答案1.pioneer /ˌpaɪəˈnɪə(r)/ 先锋；拓荒者2. B.C. /biː siː/公元前3.thinker /ˈθɪŋkə(r)/ 思想家4.wise /waɪz/ 明智的，高明的5.kindness /ˈkaɪndnəs/ 仁慈，善良6.philosopher /fəˈlɒsəfə(r)/ 哲学家；深思的人7.influence /ˈɪnfluəns/ 影响8.whom /hu:m/ 谁，什么人9.pass away /pɑ:s əˈweɪ/ 去世；消失10.unite /juˈnaɪt/ 统一；联合，团结11.defeat /dɪˈfi:t/ 击败，战胜12.set up /set ʌp/ 建立，创建；设置13.empire /ˈempaɪə(r)/ 帝国14.forever /fərˈevə(r)/ 永远；长久地e to an end /kʌm təən end/ 结束16.captain /ˈkæptɪn/ 船长，舰长；(海军)上校17.lead /li:d/ 率领，领导；引领pass /ˈkʌmpəs/ 指南针，罗盘；圆规19.sailing /ˈseɪlɪŋ/航行20.sail /seɪl/ 航行；起航21.coast /kəʊst/ 海岸；海滨22.unfortunately /ʌnˈfɔ:tʃənətli/ 不幸地23.birth /bɜ:θ/出生24.trade /treɪd/ 贸易，买卖；互相交换25.missile /ˈmɪsaɪl/ 导弹26.graduation /ˌgrædʒuˈeɪʃn/ 毕业27.university /ˌju:nɪˈvɜ:səti/ 大学28.Pacific Ocean /pəˈsɪfɪk ˈəʊʃn/ 太平洋29.further /ˈfɜ:ðə(r)/ 进一步的30.degree /dɪˈgri:/ (大学)学位；度31.aerospace /ˈeərəʊspeɪs/ 航空航天工业32.graduate /ˈgrædʒuət/ 毕业；；毕业生33.researcher /rɪ'sɜ:tʃə(r)/ 研究员34.theory /ˈθɪəri/ 理论；原理35.motherland /ˈmʌðəlænd/ 祖国36.blank /blæŋk/空白；空白处，空格37.institute /ˈɪnstɪtju:t/ 机构38.charge /tʃɑ:dʒ/ 主管；掌管；要价；收费39.in charge of /ɪn tʃɑ:dʒəv/ 主管；掌管；负责40.spacecraft /ˈspeɪskrɑ:ft/宇宙飞船41.related /rɪˈleɪtɪd/ 相关的，有联系的42.youth /ju:θ/青年，年轻人43.devotion /dɪˈvəʊʃn/ 关爱；奉献；忠诚44.express /ɪkˈspres/ 表达；表露45.career /kəˈrɪə(r)/ 事业；职业46.destination /ˌdestɪˈneɪʃn/ 目的地；终点47.hybrid rice /ˈhaɪbrɪd raɪs/ 杂交水稻48.gunpowder /ˈgʌnpaʊdə(r)/ 火药49.printing /ˈprɪntɪŋ/印刷；印刷术50.sailor /ˈseɪlə(r)/ 水手，海员51.discovery /dɪˈskʌvəri/ 发现52.firework /ˈfaɪəwɜ:k/ 烟花；焰火53.Arab /ˈærəb/ 阿拉伯人；阿拉伯的54.eastern /ˈi:stən/ 东方的，东部的55.bark /bɑ:k/树皮；狗叫声；狗叫56.rag /ræg/ 破布，抹布57.clay /kleɪ/ 黏土58.ink /ɪŋk/墨水，油墨。
九下仁爱英语unit5 topic2笔记
九下仁爱英语unit5 topic2笔记Unit 5 Topic 2 in Grade 9 Ren'ai English focuses on the theme of protecting the environment. This topic is crucial in today's world as we face various environmental challenges such as climate change, deforestation, and pollution. In order to create a sustainable future for our planet, it is important for individuals to take action and make a difference.九年级仁爱英语的第五单元第二主题关注保护环境的话题。
在今天的世界，我们面临着诸如气候变化、森林砍伐和污染等各种环境挑战，这个话题至关重要。
为了创造一个可持续的未来，个人需要采取行动，做出改变。
One way individuals can protect the environment is by reducing their carbon footprint. This can be done by using energy-efficient appliances, walking or biking instead of driving, and reducing waste. By making small changes in our daily lives, we can contribute to reducing greenhouse gas emissions and slowing down climate change.个人可以保护环境的一种方式是减少碳足迹。
仁爱版九年级英语下册unit5单元测试及参考答案
仁爱版九年级英语下册unit5单元测试及参考答案第一部分：听力(20分)Ⅰ.听对话，选择与对话内容相符图片。
每段对话读一遍。
（5分）Ⅱ.听句子，选择正确应答语。
每个句子读一遍。
（5分）( ) 6. A. Scientists.B. Stud ents.C. Tourists.( ) 7. A. Tourists.B. Have a good day.C. Good id ea.( ) 8. A. Mao Zed ong.B. Sun Yat-sen.C. Qin Shihuang.( ) 9. A. They d epended on stars.B. They d epended on the sun.C. They d epended on a compass.( ) 10. A. It is made of metal.B. It was made of wood.C. They are mad e of metal.Ⅲ.听对话，选择正确答案。
每段对话读一遍。
（5分）( ) 11. A. Yes, she has.B. No, she h asn’t.C. Maybe.( ) 12. A. Neither Wang Hong nor his sister came here.B. Not only Wang Hong but also his sister came here.C. Either Wang Hong or his sister came here.( ) 13. A. Yes, she d o es.B. No, she d oesn’t.C. I’m not sure of it.( ) 14. A. The Qing dynasty.B. Sun Yat-sen.C. Sun Yat-sen and his men.( ) 15. A. She planted trees.B. She picked appl e s.C. She visited farmers.Ⅳ.听短文，补全句子。
仁爱版九年级英语下册U5T2SC限时训练(附答案)
新仁爱版九年级英语下册U5T2SC限时训练一、选择题。
( )1.--Why were you late for school?--My bike _____ on my way to school.A.brought downB. Broke inC.broke offD.broke down ( )2.The excellent women _____ is with the children is Song Qingling.A.thatB.whichC./D.whom( )3.We had a debate(辩论)_____ Qin Pin Middle school about whether TV has a bad influence on children or not.A.toB.againstC.withD.on( )4.The boy _____ school uniform is from No.2Middle school.A.wearsB.wearC.who wearD.who wears( )5.Sun Yat-sen was first elected (选举) as______ President in August in 1905.A.aB.theC.anD./二．用所给词的适当形式填空。
1.Several _______(president) are discussing the serious pollution problem.2.He became a doctor in his ______( twenty).3.He was selected the ______(lead) of the city.4.The _____(chairman) are holding a meeting inthe hall now.5._______(fortunately),he had an accident on his way to work.三．从方框中选择适当的词填空。
仁爱版英语九年级下册Unit5-Topic1复习与练习题（有答案）
Unit5 Topic1重点短语1. a great number of rivers2. fetch sb. sth.=fetch sth. for sb.3. introduce sth. in detail4. lie in/ lie on/ lie to5. go through...6. be well worth doin g sth.7. above sea level8. experience four seasons in a day9. hear of/ hear frombe surrounded by……10. be surrounded by11. lose oneself in12. serve as a bridge13. connect sth. with sth.14. be known as15. have a chance to do sth.16. be considered as/17. various/ all kinds ofprotect against ……18. protect against19. be covered with重点句型1. China is a great country that has about 5000 years of history.2. It It’’s a book which introduces China in detail.3. It It’’s Mount Tai that/which lies in Shangdong Province.4. Could you tell me something about the places that you visited there？5. It seemed that we experienced four seasons in a day.That’’s the most fantastic places that I have ever heard of.6. That7. It serves as a bridge which connects the mainland with the rest of the world.People’’s way of life in the north is also quite different from that in the south. 8. People重点语法定语从句（Ⅰ）1. 定语从句：在复合句中，修饰某一名词或代词的句子叫做定语从句。
仁爱版英语九年级下册Unit5_Topic2_中考真题汇编
仁爱版英语9年级下册Unit5 Topic2 中考真题汇编单项选择1. (2015 福建省龙岩市)Though Liu Xiang has retired(退役) from our national team, We will ________ him as before.A .keep up with B. depend on C. be proud of2. (2013 广东) The young lady ______ is interviewing Lin Zhixuan about the progam I am a singer is from 21st Century Talent Net.A. whoB. whomC. whichD. whose3. (2013 天津)—Look at my stamp.—They are beautiful! You’ve got a wonderful ______.A. instructionB. descriptionC. collectionD. expression4. (2013 重庆)—Daddy, can you come home for supper with us this weekend?—_______, but I might be a little be a little late.A. I’m busyB. Hard to sayC. Of courseD. Never mind参考答案及解析1. C 句意：尽管刘翔从国家队退役了，我们还是像以前一样对他感到自豪。
A .keep up with赶上某人；B. depend on以来，依靠，C. be proud of对……感到自豪。
根据句意，我们永远对“废人”感到骄傲、自豪。
故选C。
2. A 本题考查定语从句。
在定语从句中，当先行词是人时，关系代词用that，who或whom。
仁爱版九年级下Unit5 Topic 2 Section B课时作业含答案
Section B( )1. ---Why are you so happy? ---All of us succeed______ the final exam.A. in passingB. for passingC. at passing( )2. ---When did Zheng He travel to the east of Africa? --- _________ the year 1433.A. coast, InB. beach, InC. coast, At( )3.Fei Junlong and Nie Haisheng are the ______ of our nation.A. proudB. prideC. proudly( )4. --- I couldn’t find the scarf I bought two days ago. --- ________ It looks nice on you.A. Not bad.B. What a shame!C. Sounds cool.( )5. --- Mary, congratulations to you. You have got the first place in the competition.--- ______. I’m so happy.A. It’s hard to believeB. It’s hard to sayC. I think so( )6.--- What does your father do? --- He is a ________, he has to lead the ocean journey to other countries.A. coachB. captainC. president( )7.--- Why are you late for the meeting?--- We took a taxi as soon as we went out. But _________, we still didn’t arrive on time.A. luckilyB. unluckyC. unfortunately( )8. Zheng He, a Ming dynasty explorer, _________ illness on his way back to China from Africa in 1433.A. lived onB. tried outC. died of( )9.---Do you know about Florence Nightingale?---Yes, she was well-known _____ a nurse in England _____her kindness to the sick and wounded soldiers.A. as; asB. for; asC. as; for10.--- Mr. Smith is so kind, he is always trying his best to help others.--- I think so. He is a helpful man from ________( whom/ who) we can learn a lot.11. I’m becoming more and more ________(interested/ interesting) in China’s history.12. Could you tell me something about the person __________(named/ name) Zheng He?13. --- Where are you from, Michael?--- Qingdao. A city near the ______(coast/ mountain), and the seafood there is famous.14. He is really the ___________(proud/ pride) of China.15. Zheng He died _________(of/ for) illness on his way home in 1433.16. --- Zheng He is a great explorer! He is really the pride of China.--- So he is. But unfortunately, he _______/daid 'əf/ illness.17. After joining the WTO, the ______ /treid/ between China and other countries has increased.18. Zheng He succeeded in sailing to the east ___________(海岸) of Africa.19. The journeys were to develop _________(贸易) and friendship between China and other counties.20. The _________(出生) of his son makes his family happy.st summer I visited a beautiful small village on the c ______ of Qingdao.22. Zheng He _______(领导) seven ocean journeys from 1405 to 1433.23. ---How did you spend your weekend? ---We spent the weekend ______ (航行) to the east coast of Dalian24.Chen Jingrun who is a famous mathematician(数学家) (死于)cancer in his forties.Answers:AABBA BCCC10. whom 11. interested 12. named 13. coast 14. pride 15. of 16. died of 17. trade 18. coast 19. trade 20. birth 21.coast 22. led 23. sailing 24. died of。
仁爱英语九年级下册Unit5topic2总结及练习学案(无答案)
Section A1. Confucius, a pioneer in the field of education.孔子是教育领域的先驱。
（1）pioneer 先驱，创始人，倡导人；He is a computer pioneer. 他是计算机方面的先驱。
（2）in the field/ area of 在……领域；在中国文学领域冰心以儿童作品而著名。
Bing Xin is famous for children’s works_____ _____ _______ ______Chinese literature.2.He was born in the year 551B.C.他出生于公元前551年。
表达“公元/ 公元前……年”时，用A.D.和B.C.，A.D.表示“公元”，B.C..表示“公元前”；书写时A.D.写在年数前后均可，B.C. 应写在年数之后：“从某年到某年”应写为from......to...或是......~........练一练：从公元前200年到公元500，共为700年。
_______________________________________________is seven hundred years.3.He was also a famous philosopher whose wise saying have influenced many people in different countries. 他也是一位著名的哲学家，他的至理名言影响了不同国家的许多人。
whose wise saying have influenced many people in different countries 是由whose引导的定语从句，在从句中作wise saying 的定语，修饰先行词philosophy。
由关系代词whose引导，其先行词既可指人又可指物，且不能省略。
仁爱版九年级英语下册U5T2SD限时训练(附答案)
新仁爱版九年级英语下册U5T2SD限时训练一、选择题。
( )1.We want to know _____ she will come back.A.thatB.whoC.whenD.where( )2.The girl_____we want to talk with is Anna’s sister.A.whichB.whatC.whomD.whose( )3.The book ____ cover is red is Mike’s.A.thatB.whoseC.whomD.who( )4.That is the factory ____we are going to work in.A.whichB.whereC.in whichD.when( )5.The oldest tree____ I have ever seen is called ”Strong Person”.A.thatB.whichC.whoseD.where( )6.In 1949,most of the enemy were ___by the PLA.A.wiped outB.founded outC.put outD.worked out ( )7.You should work harder if you want to __ the exam.A.failB.succeed inC.faceD.pass away( )8.--For your own _____,never ask for a ride from strangers.--Sure,I won’t.A.dangerB.regretC.safetyD.success二．将下列句子改为含有定语从句的复合句。
1.The government decided to begin a campaign(运动) to wipe out the Bird Flu. It had killed ten of people.2.The parents are worried about the safety of their 12-year-old son .He has been missing for 3 days.______________________________________________ 3.Have you got the e-mail? She sent it to you yesterday.4.The boy has come back.Police are searching for him.5.I lost a bag last night.There was something important in it.________________________________________答案一．1-5 CCBAA 6-8ABC二．1.The government decided to begin a campaign to wipe out the Bird Flu which/that had killed tens of people.2.The parents are worried about the safety of their 12-year-old son who/that has been missing for 3 days.3.Have you got the e-mail which/that she sent to you yesterday.4.The boy whom/who police are searching for has come back.5.I lost a bag in which there was something important last night.。