高中英语三大从句练习题(含答案)
高中英语三大从句练习题(含答案) 一、选择题
He asked me _ I had ever been to Paris.
A. if
B. whether
C. that
D. both A and B
_ he leaves now, he will be late for the meeting.
A. Unless
B. If
C. When
D. Because
She didn't know _ she should wear to the party.
A. which
B. what
C. that
D. where
_ I have finished my work, I will go to the cinema.
A. As soon as
B. Unless
C. Until
D. Because
He said that he _ his homework before he came to play.
A. had done
B. did
C. has done
D. is doing
答案：1. D 2. A 3. B 4. A 5. A
二、改错题
She asked me that if I could lend her some money.
Unless you study hard, you won't pass the exam.
I don't know what she is talking about it.
As soon as she finished her work, she went to bed.
He said me that he was going to visit his grandparents.
答案：1. 删除that 2. 将won't改为will not 3. 删除it 4. 将went改为would go 5. 将said 后的me改为to me
三、填空题
I am not sure _ he is coming to the party.
_ I go, I always take my mobile phone with me.
She asked me _ I knew where the nearest bank was.
_ you don't hurry up, you will be late.
He told me that he _ never been to Japan before.
答案：1. whether/if 2. Whenever 3. if/whether 4. If 5. Had
完成下列复合句。
(1) you are late, I will leave without you. (条件状语从句)
(2) He is worried his son's safety. (宾语从句)
(3) she arrived, we had already finished dinner. (时间状语从句)
(4) I don't know he will come or not. (宾语从句)
(5) you want to be successful, you have to work hard. (条件状语从句)
答案：
(1) If
(2) about
(3) When
(4) whether
(5) If
下列句子中，划线部分为什么从句？
(1) I don't know if I can pass the exam.
(2) The teacher asked us where we were from.
(3) She is so tired that she can hardly keep her eyes open.
(4) He said he would come to the party, but he didn't.
(5) Although he is rich, he lives a simple life.
答案：
(1) 宾语从句
(2) 宾语从句
(3) 结果状语从句
(4) 同位语从句
(5) 让步状语从句
根据句子意思，选择正确的从句填空。
(1) he finished his homework, he watched TV. (时间状语从句/条件状语从句)
(2) I wonder she will come. (宾语从句/主语从句)
(3) He works hard so that he can support his family. (目的状语从句/结果状语从句)
(4) I'll tell you I saw yesterday. (宾语从句/主语从句)
(5) Unless you work hard, you will fail. (条件状语从句/原因状语从句)
答案：
(1) After
(2) if
(3) so that
(4) what
(5) Unless
Choose the best answer to complete each sentence.
1) We will go to the park it stops raining.
A. unless
B. if
C. while
D. because
2) he comes, we will wait for him.
A. Until
B. Unless
C. Wherever
D. Although
3) He asked me I had finished the report.
A. whether
B. where
C. why
D. how
4) She couldn't find her keys she looked everywhere.
A. until
B. because
C. although
D. unless
5) I will buy the dress it fits me well.
A. although
B. if
C. because
D. whether
Choose the correct type of subordinate clause for each sentence.
1) I don't know why she didn't come. (noun clause / adverb clause / adjective clause)
A. Noun clause
B. Adverb clause
C. Adjective clause
2) The book that I read last week was very interesting. (noun clause / adverb clause / adjective
clause)
A. Noun clause
B. Adverb clause
C. Adjective clause
3) She said that she would come to the party. (noun clause / adverb clause / adjective clause)
A. Noun clause
B. Adverb clause
C. Adjective clause
4) If it rains tomorrow, we will stay at home. (noun clause / adverb clause / adjective clause)
A. Noun clause
B. Adverb clause
C. Adjective clause
5) He asked me where I was going. (noun clause / adverb clause / adjective clause)
A. Noun clause
B. Adverb clause
C. Adjective clause
Rewrite the following sentences using a subordinate clause.
1) She is my best friend. She always listens to me.
She is my best friend, who always listens to me.
2) The movie was so boring. We left early.
We left early because the movie was so boring.
3) He will be late. He missed his train.
He will be late because he missed his train.
4) She is very talented. She can sing and dance.
She is very talented, as she can sing and dance.
5) I don't know the answer. Can you tell me?
Can you tell me the answer? I don't know.
一、选择题
—Do you know _?
—He is the man who gave me the book yesterday.
A. who is he
B. who he is
C. whom is he
D. whom he is
—Can you tell me _?
—I have no idea. You'd better ask the manager.
A. where is the restroom
B. where the restroom is
C. the restroom where is
D. the restroom where it is
—I don't know _.
—Maybe you should ask your teacher for help.
A. how to do this math problem
B. how can I do this math problem
C. how should I do this math problem
D. how I can do this math problem
—Have you decided _?
—Not yet. I'll let you know as soon as I make up my mind.
A. when you will come
B. when will you come
C. when you come
D. when come you
—Could you tell me _?
—Sorry, I didn't catch what you said just now.
A. what time is it now
B. what is the time now
C. what time it is now
D. what the time is now
答案：
B
B
A
C
C
二、改错题
I don't know who is the actor played the lead role in the movie.
A B C D
改为：I don't know who the actor is who played the lead role in the movie.
Could you tell me what time the bank close today?
A B C D
改为：Could you tell me what time the bank closes today?
I don't think he will come to the party because he is busy and tired.
A B C D
改为：I don't think he will come to the party because he is both busy and tired.
Do you know where is the nearest post office from here?
A B C D
改为：Do you know where the nearest post office is from here?
He asked me how I was doing and if I had any plans for the weekend.
A B C D
改为：He asked me how I was doing and whether I had any plans for the weekend. 答案：
C
D
C
B
D
三、完成句子
—Could you tell me _?
—Sorry, I don't know either.
你知道哪家银行离这里最近吗？
I have no idea _.
—Maybe you should ask your teacher for help.
我不知道该怎么做这个数学题。
—Do you know _?
—Yes, he is my neighbor who moved in last week.
你知道那个蓝色的小轿车属于谁吗？
I'm not sure _.
—You'd better check with the schedule.
我不确定哪个时间段是他的办公时间。
—I wonder _.
—He said he would be back at around six o'clock. 你想知道他什么时候回来吗？
答案：
Do you know which bank is the nearest to here?
I have no idea how to do this math problem.
Do you know who the blue car belongs to?
I'm not sure which time slot is his office hours.
I wonder when he will be back.
(完整版)三大从句练习(含答案)
宾语从句、状语从句、定语从句混合练习 1.I don’t know ___________or not. A. whether he is at home B. if he is at home C. that he is at home D. whether is he at home 2.The man and the horse _____ fell into the river were drowned(淹死). A. which B. who C. that D. of which 3.I really don’t know __________. A. what to do B. how to do C. what to do it D. to do what 4.We couldn’t find out _____, so we handed it in to the teacher. A. whose pen was it B. whose pen it was C. it was whose pen D. whose pen is it 5.I don’t know ____ he still lives here. A. where B. what C. when D. whether 6.The teacher asked the new student ____ class he was in. A. which B. where C. if D. that 7.I don’t know ____ Mr. Green will come to see us. He’ll help us with our English. A. why B. when C. how D. where 8.--- Be careful! Don’t break the bottles. Do you hear ____ I said? David? --- Yes, Mum A. what B. that C. why D. if 9 .Could you ring me up as soon as he _____? A. arrived B. would arrive C. arrives D. will arrive 10. The doctor _____ is leaving for London next month.
高中英语三大从句练习题
高中英语三大从句练习题 1．Football is a very interesting game , is played all over the world． A．that B．which C．it D．who 2．The last place we visited was the Great Wall．A．which B．that C．where D．it 3 He talked happily about the men and books interested him greatly in the school． A．which B．who C．it D．that 4．His uncle works in a factory bicycles are made．A．that B．which C．where D．there 5．I often thought of my childhood , I lived on a farm．A．which B．where C．when D．who 6．Jack’s dog became ill and died , made him very lon ely ． A．as B．which C．that D．this 7．I wonder how much ． A．cost these shoes B．do these shoes cost C．these shoes co st D．are these shoes cost 8．Computers can only give out has been stored in the m . A．that B．which C．what D．anything 9．My friend wouldn’t tell me his new car ． A．how much he paid for B．how much did he pay C．he paid how much for D．did he pay how much 10．It doesn’t matter I rest or not ． A．if B．whether C．that D．when 11．The trouble is we are short of tools ． A．what B．that C．how D．which 12． I can’t understand is he wants to chang e his mind． A．That , that B．Which , what C．What , what D．Wh at, why 13．The thought he might fail in the exam worried him ． A．which B．that C．when D．/ 14．The fact he is an orphan is well known． A．what B．that C．which D．/ 15． I will accept the gift is none of your business． A．If B．Whether C．What D．Which 16． I have will be yours sooner or later ． A．No matter what B．No matter whatever C．Whatever D．That 17. Is this the factory __________ you visited the other day A. that B. where C. in which D. the one 18. Is this factory __________ some foreign friends visited last Friday A. that B. where C. which D. the one 19. Is this the factory __________ he worked ten years ago A. that B. where C. which D. the one 20. The wolves hid themselves in the places __________ couldn’t be found. A. that B. where C. in which D. in that 21. I have bought the same dress __________ she is wearing. A. as B. that C. which D. what 22. He failed in the examination, __________ made his father very angry. A. which B. it C. that D. what 23. We’re talking about the piano and the pianist __________ were in the concert we attended last night. A. which B. whom C. who D. that
完整版)高中英语三大从句专练100题(带答案)
完整版)高中英语三大从句专练100题(带 答案) 1.We have found that those who have succeeded in the end have many things in common。among which are diligence。patience。intelligence。XXX can give others something to think about. 2.With the help of curriculum reform。students enjoy a variety of after-school activities。of which up to half are XXX and building up their confidence. 3.That'XXX to say about your father after all he's done for you. 4.The old pictures bring the Greens back to the days when they XXX。and life was hard but happy. 5.When the management system suffered from a drawback last month。the manager XXX management. B.on which C.in which D.with which
6.XXX to be of no use in his new job。and he is XXX(n B) 7.As we all know。the elderly scientist。whose life was difficult in the past。still works hard in his XXX(n C) 8.Biarni intended to join his father。who was with Eric。but he was blown off course and ended up in an unfamiliar land。from which he XXX(n B) 9.We can never et the days when the two astronauts XXX。as well as the days we XXX(n A) XXX house in front of which an old man sat。pipe in hand。(n C) 11.He received a card on which a beautiful stamp was attached from his friend。(n B) 12.We have observed that those who ultimately succeed share several common traits。including diligence。patience。cleverness。XXX. 13.The two areas where British English and American English differ are XXX.
高中英语三大从句专练100题(带答案)
高中英语三大从句专练100题（带答案） 1. We have found that those _______ have succeeded in the end have many things in common, among _______ are diligence, patience, intelligence and perseverance, _______ can give others something to think about. A. who; which; that B. whom; which; which C. who; which; which D. that; which; as 2. With the help of curriculum reform, students enjoy a variety of after-school activities, _______ up to half are aimed at strengthening their physical strength and building up their confidence. A. to which B. of which C. from which D. in which 3. That's an unpleasant thing to say about your father after _______ he's done for you. A. something B. anything C. all D. that 4. The old pictures bring the Greens to the days _______ they spent together, _______ life was hard but happy. A. which; when B. which; whose C. when; whose D. when; which
高中英语三大从句真题模拟题及答案解析
三大从句真题模拟题 一、2019年高考真题 1.【2019·江苏卷·单项填空】21.We have entered into an age _______ dreams have the best chance of coming true. 2.【2019·江苏卷·单项填空】2 3.The doctor shares his phone number with the patients __________ they need medical assistance. 3.【2019·江苏卷·单项填空】25.Scientists have obtained more evidence ___________ plastic is finding its way into the human body. 4.【2019·天津卷·单项填空】11.Their child is at the stage__________ she can say individual words but not full sentences. 5.【2019·天津卷·单项填空】13.Tom is so independent that he never asks his parents' opinion _________ he wants their support. 6.【2019·新课标I卷·语法填空】While they are rare north of 88°,there is evidence ___61___ they range all the way across the Arctic, and as far south as James Bay in Canada. 7.【2019·新课标I卷·短文改错】One afternoon where I was in primary school, I was walking by the school playground. 8.【2019·新课标II卷·语法填空】Now Irene Astbury works from 9am to 5pm daily at the pet shop in Macclesfield，___62___ she opened with her late husband Les. 9.【2019·新课标III卷·语法填空】They were well trained by their masters ___64___ had great experience with caring for these animals. 10.【2019·新课标III卷·短文改错】In the cafe, customers will enjoy themselves in the historical environment what is created for them. 11.【2019·浙江卷·语法填空】On the edge of the jacket, there is a piece of cloth ___58___gives off light in the dark. 12.【2019·北京卷·语法填空】What students do at college seems to matter much more than ___8___ they go. 13.【2019·北京卷·语法填空】The students benefitting most from college are those ___9___ are totally engaged(参与)in academic life. 二、2019届模拟题 1.【江苏省盐城中学2019届高三年级质量检测】People crowd into ________ cherry trees are blooming, appreciating the fresh spring sight. 2.【江苏省盐城中学2019届高三年级质量检测】The reign of the next Japanese emperor will be known as “Reiwa”(令和) era, in ________ name the character for “harmony”is included. 3. 【天津市南开中学2019届高三年级模拟考试】I guess ________ impresses me most about his painting is the 4. 【天津市南开中学2019届高三年级模拟考试】It was the middle of the night ________ my dad woke me up and told me to watch the football game. 5. 【天津市南开中学2019届高三年级模拟考试】How come? I can’t find my key. I just left it ________ it had been. 6.【江苏省南京市学2019届高三年级模拟考试】We live in this society now ________ literally someone is always helping. 7.【江苏省南京市学2019届高三年级模拟考试】Patrick waited ________ all the luggage was cleared, but his never appeared. 8.【江苏省南京市学2019届高三年级模拟考试】The same boiling water softens the potato and hardens the egg. It’s about ________you’re made of, not the circumstances. 9. 【天津市十二所重点中学2019届高三年级模拟考试】The athletes, especially the winners, should remain modest ________ rapid progress they have made.
[高考语法专项练习]三大从句混合练习(配答案)
三大从句混合练习 一．选择题 1.The last time they went to Scotland was in May, ______ the weather was beautiful. A.that B. when C. where D. which 2.May I suggest that you consider the matter further ______ you take any action. A.as if B. unless C. although D. before 3.______ he has made an apology to you, you should excuse him for doing so. A. Although B. In case C. Now that D. While 4.The restaurant across the street attracts a lot of customers every day, _____ it provides good service and reasonable price. A. though B. because C. unless D. if 5.The time is not far away ______ordinary people can get on board a spaceship and take a trip to space. A. as B. until C. before D. when 6.We should never forget the earthquake in 2012 and the sufferings ______ caused to Chinese people. A. they B. it C. what D. that 7.----Recently many people have no attention of buying a house. ---- I think the reason may be ______ the house price is too high. A.that B. why C. because D. which 8.Here is the best restaurant in our city, ___cooks has developed a special way of cooking food. A.which B. whose C. that D. when 9.If yo u feel tired and sick of oily food, that’s ___you have to go to hospital for an examination. A.Why B. whether C. what D. when 10._____ puzzles me most is that I can’t figure out ______the difference between the two lies. A.What; how B. How; which C. That; what D. What; where 二．填空并标明从句 1. The house ______ I lived ten years ago has been pulled down. 2. Make a mark _______ you have any doubts or questions. 3. These photographs will show you ______ our village looks like. 4. I was reading a novel ______ he was watching TV. 5. I don’t know _______ many students there are in our school. 6. I once lived in a house _______ roof has fallen in. 7. A computer can only do _______ you have instructed it to do. 8. The classroom the door of ________ is broken will soon be repaired. 9.You need to convince the reader that you understand _______ the company or organization does, and ______ the job or course will involve.
【专项训练】高中英语三大从句混合练习
高中英语三大从句混合练习 一．选择题 1.The last time they went to Scotland was in May, ______ the weather was beautiful. A.that B. when C. where D. which 2.May I suggest that you consider the matter further ______ you take any action. A.as if B. unless C. although D. before 3.______ he has made an apology to you, you should excuse him for doing so. A. Although B. In case C. Now that D. While 4.The restaurant across the street attracts a lot of customers every day, _____ it provides good service and reasonable price. A. though B. because C. unless D. if 5.The time is not far away ______ordinary people can get on board a spaceship and take a trip to space. A. as B. until C. before D. when 6.We should never forget the earthquake in 2012 and the sufferings ______ caused to Chinese people. A. they B. it C. what D. that 7.----Recently many people have no attention of buying a house. ---- I think the reason may be ______ the house price is too high.
高中英语三大从句练习题(含答案)
高中英语三大从句练习题(含答案) 一、选择题 He asked me _ I had ever been to Paris. A. if B. whether C. that D. both A and B _ he leaves now, he will be late for the meeting. A. Unless B. If C. When D. Because She didn't know _ she should wear to the party. A. which B. what C. that D. where _ I have finished my work, I will go to the cinema. A. As soon as B. Unless C. Until D. Because He said that he _ his homework before he came to play. A. had done B. did
C. has done D. is doing 答案：1. D 2. A 3. B 4. A 5. A 二、改错题 She asked me that if I could lend her some money. Unless you study hard, you won't pass the exam. I don't know what she is talking about it. As soon as she finished her work, she went to bed. He said me that he was going to visit his grandparents. 答案：1. 删除that 2. 将won't改为will not 3. 删除it 4. 将went改为would go 5. 将said 后的me改为to me 三、填空题 I am not sure _ he is coming to the party. _ I go, I always take my mobile phone with me. She asked me _ I knew where the nearest bank was. _ you don't hurry up, you will be late. He told me that he _ never been to Japan before. 答案：1. whether/if 2. Whenever 3. if/whether 4. If 5. Had 完成下列复合句。 (1) you are late, I will leave without you. (条件状语从句) (2) He is worried his son's safety. (宾语从句) (3) she arrived, we had already finished dinner. (时间状语从句) (4) I don't know he will come or not. (宾语从句)
江苏省高考三大从句综合练习(有答案)
三大从句检测试题(50分) 姓名__________ 总分__________ 1. I've put a cross on the map to show ________ that famous hotel is. A. whatever B. wherever C. what D. where D 2. The subway was crowded with passengers going home from market, most of _____ carrying heavy bags and baskets full of fruit and vegetables they had bought there. A. whom B. them C. who D. which B 3. ________ I say Clancy is a smart boy, he still needs to work hard to achieve his goal. A. While B. When C. Then D. As A 4. __________ her ambition of becoming a professional singer, she has been training very hard since an early age. A. Realizing B. To realize C. Having realized D. To have realized B 5. Police have found appears to be the lost ancient statue. A. which B. where C. how D. what D 6. We students are so busy with our homework that we have no time for outdoor exercise, _________ we have the desire. A. wherever B. whenever C. as if D. even if D 7. In my opinion ________ matters is whether we can win together as a team instead of individuals. A. how B. it C. what D. that 答案C 8. After visiting Harbin, most of the foreign friends said they would never forget the time ________ they had spent. A. what B. that C. when D. at which B 9. Everyone is different and that is ________ makes our world much better. A. that B. what C. who D. which B 10. Lily took a few friends to my birthday party, none of ________ I was familiar with. A. which B. whom C. that D. whose 答案B 11. Parents should pay attention to the cases ________ their children have difficulty adapting to new surroundings. A. where B. as C. why D. when 答案A 12. You had better book rooms at the hotel in advance ________ you should find no room on your arrival. A. in case B. even if C. so that D. now that A 13. The pupils were playing games in the classroom ________ a gunman entered and began shooting wildly at them. A. while B. as C. when D. before C 14. There are some warnings in some countries ________ over exploitation of underground water has caused the decline of wetland and increase of desertification. A. that B. where C. what D. which 答案A 15. —When will the visas be ready, sir? —________ everything goes well, you should get them in 14 workdays. A. As long as B. As far as C. Unless D. Although 答案A 16. —What a mess! You are always so lazy! —I'm not to blame, mum. I am _______ ____you have made me. A. how B. who C. that D. what D 17. Students should involve themselves in community activities they can gain experience for growth. A. who B. when C. which D. where D 18. Talking about his success, the famous scientist said, “I've been lucky ________ there are many people who have helped me”. A. except that B. in that C. so that D. now that 答案B 19. ________ the police thought he was the most likely one, they could not arrest him since they had no exact proof about it.
(完整版)三大从句习题
名词性从句练习题 1._______ you have done might do harm to other people. A. That B. What C. Which D. This 2. They have no idea at all ____________. A. where he has gone B. where did he go C. which place he has gone D. where he has been 3. _____________ leaves the room last ought to turn off the lights. A. Anyone B. The person C. Whoever D. Who 4. Upon graduation he asked to be sent to _______________. A. where he is most needed B. where he needed C. where he is mostly needed D. where is he mostly needed 5. The early years of the D.U company were characterized by a debate concerning or individual form should have more power. A. whether the cooperation form B. either the cooperation form C. that cooperation form D.the cooperation form 6. Can you make sure _____________ the gold ring? A. where Alice had put B. where had Alice put C. where Alice has put D. where has Alice put 7. No one can be sure _____________ in a million years. A. what man will look like B. what will man look like C. man will look like what D. what look will man like 8. _____________ the Games will be held in Beijing is not known. A. Whenever B. If C. Whether D. That 9. It worried her a bit _____________ her hair was turning grey. A. which B. that C. if D. for 10. _____________ you don't like him is none of my business. A. What B. Who C. That D. Whether 11. _____________ he said at the meeting astonished everybody present. A. What B. That C. The fact D. The matter 12. He asked _____________ for the violin. A. did I pay how much B. I paid how much
高中英语三大从句专练100题(带答案)
高中英语三大从句专练100题(带答案) 编辑整理： 尊敬的读者朋友们： 这里是精品文档编辑中心，本文档内容是由我和我的同事精心编辑整理后发布的，发布之前我们对文中内容进行仔细校对，但是难免会有疏漏的地方，但是任然希望（高中英语三大从句专练100题(带答案)）的内容能够给您的工作和学习带来便利。同时也真诚的希望收到您的建议和反馈，这将是我们进步的源泉，前进的动力。 本文可编辑可修改，如果觉得对您有帮助请收藏以便随时查阅，最后祝您生活愉快业绩进步，以下为高中英语三大从句专练100题(带答案)的全部内容。
高中英语三大从句专练100题（带答案） 1。 We have found that those _______ have succeeded in the end have many things in common， among _______ are diligence, patience, intelligence and perseverance，_______ can give others something to think about。 A. who; which; that B. whom； which; which C. who; which; which D. that; which； as 2。 With the help of curriculum reform， students enjoy a variety of after-school activities， _______ up to half are aimed at strengthening their physical strength and building up their confidence. A. to which B. of which C. from which D. in which 3. That's an unpleasant thing to say about your father after _______ he’s done for you。 A. something B. anything C. all D. that 4。 The old pictures bring the Greens to the days _______ they spent together, _______ life was hard but happy。 A. which; when B. which; whose C. when; whose D. when； which
高三英语单选纠错练习题---三大从句(有答案)
三大从句(定语从句,名词性从句,状语从句) 1. Why do many students stick to private tutoring______they could easily master such knowledge at school? A. unless B. before C. after D. when 2. The Party could have stated______their policy was on this matter, but the voters only received a very dusty answer. A. why B. when C. whether D. what 3. (2019·苏锡常镇四市二模)The tech industry expo, which attracted more than 180, 000 people, was a reminder of______the tech industry is best at: being optimistic about itself. A. that B. how C. what D. which 4. There are hundreds of scenes in English novels______characters walk through a landscape of fallen leaves, which mirrors the feelings of the characters. A. which B. where C. that D. when 5. ______ you recognize an idiom when it is being used, it is easy to misunderstand what you read or hear. A. Unless B. After C. Once D. Since 6. Your biggest fear when you make a decision probably is______your decisions will lead to bad results. A. which B. where C. that D. who 7. Boyan Slat, who designed the world’s first ocean plastic cleanup system says sea life will be protected from being trapped ______the system is solid rather than a net. A. while B. because C. after D. if 8. A famous fashion designer______runs her own fashion business in London said older women were more likely to be affected by celebrity style. A. whom B. which C. who D. whose 9. In her first class, her professor asked her and her classmates______impresses them most when it comes to Africa. A. how B. what C. which D. that 10. (2019·溧水三模) Nowadays, job seekers focus more on______they can realize their potential in their new jobs instead of putting salary in the first place. A. whether B. why C. that D. what 11. (2018·北京高考)She and her family bicycle to work, ______helps them keep fit. A. which B. who C. as D. that 12. (2019·南通一模)Taking targeted measures to help people lift themselves out of poverty, ______has been predicted, is fruitful. A. what B. which C. as D. that 13. (2019·盐城四模)Scientists have introduced a new model of 3D printer, ______differs from the existing ones in certain aspects. A. as B. which C. who D. that 14. They put forward a lot of plans at the meeting, none of ______were carried out in their work. A. which B. them C. what D. that 15. (变式) They put forward a lot of plans at the meeting, but none of ______were carried out in their work. A. which B. them C. what D. that