Unit 2 语法 情态动词2026-2027学年人教版英语八年级上册

Unit2 Home Sweet Home单元语法和写作讲解 语法：情态动词 一.定义。 是一种本身有一定词义，表示说话人的情绪、态度或语气的动词，但不能单独做 谓语，只能和其他单词原形构成谓语。常见：can、could、may、might、must、 will、would、should、shall、ought to、need、have to、had better等 二.用法 1.有一定的词义，但不能单独作谓语，必须和行为动词或系动词连用构成谓语。 2.无人称和数的变化have to例外，用于第三人称单数时用has to)。 3.后接动词原形。 4.具有助动词的作用，可用来构成否定句、疑问句及用于简明答语， 三、情态动词的用法 1.can (I)can表示能力，意为能、会” He can play the guitar..他会弾吉他。 Can you speak English?你会说英语吗？ Who can answer the question?谁能回答这个问题？ (2)can表示请求、允许，意为可以” You can go home now.你现在可以回家了。 You can't park here.It's a no parking zone..你不能在这里停车。这是禁停区。 ---Can l use your pen?我可以使用你的钢笔吗？ -Yes,you can./No,you can't.-是的，你可以。/不，你不能。 (3)can表示客观的逻辑上的可能性，意为可能会，有时会”，多用于肯定句。 Anyone can make mistakes.任何人都可能犯错。 Children can be noisy sometimes.孩子们有时候会很吵闹。 2.could (I)cold可以作为cam的过去式，表示过去的能力， When he was young,he could eat eight bowls of rice at a time.当他年轻的时候，他 一次能吃八碗米饭。 Jim couldn't speak Chinese last year,but now he can.去年吉姆还不会说中文，但现 在他会了。 (2)could表示委婉的语气，用于婉转地提出请求、想法、建议，此时could不是 can的过去式。注意：对于could疑问句的回答，不能用could或couldn't,须 用can或can't。 Could you tell me how to get to the airport?你能告诉我怎么去机场吗？- -Could I get something to drink?-我可以喝点什么吗？ --Yes,you can.No,you can't.-可以，你可以。/不可以，你不能。 (2)cold表示可能”。cold表示的可能性比can小，不表示时态 Someone is knocking at the door,Who could it be?有人在敲门，会是谁呢？ 3.may (I).may表示请求、允许，比can和could更正式。 You may take the book home.你可以把书带回家。 -May 1 leave now?--我现在可以离开吗？ -Yes,you may/.can.或No,you can't/mustn't..是的，你可以。或不，你不能。 You may do it tomorrow if you're tired如果你累了，你可以明天做。 (2)my表示"可能，也许"，一般搭配不确定。可用于肯定句和否定句中。 2 It may1 ain tomorrow,so we had better put off the sports meeting.明天可能会下雨， 所以我们最好推迟运动会。 -Where is Jenny?-珍妮在哪里？ -I'm not sure.She may be in the school library.--我不确定。她可能在学校图书馆。 (3)may表示祝愿。 May you succeed!愿你成功！ Long may you live!长寿永存！ 4.might might表示可能，也许”，比may语气弱。可用于肯定句和否定句中 Dom't go out on your own,because you might get lost in the mountains.不要独自一 人外出，因为你可能会在山中迷路。 He might not come tomorrow,but l am not quite sure.他明天可能不会来，但我并不 十分确定。 5.must (I).表示必须注意：以must开头的疑问句，肯定回答应用must,而否定回答则 用needn't或don't have to表示"不需要、不必”。 All passengers must wear seat belts.所有乘客必须系好安全带。 -Must we finish the exercises today?--我们必须今天完成练习吗？-Yes,you must/No,you needn't.-是的，必须/不，不必。 (2).must not/mustn't表示禁止，意为"不允许 Passengers must not talk to the driver.乘客不得与司机交谈。 Cars mustn't park in front of the entrance车辆不得停放在入口前。 6.have to have to的意思接近must,但must更强调说话者的主观意愿。have to强调客观 上的必要性常译为"不得不”： I have to leave now,.My mum is waiting for me.我现在必须离开了，我的妈妈在等 我。 四、总结情态动词表推测 1.must must表示有把握的肯定推测，“一定”，用于肯定句。要表示推测一定不”， 用camt。mustn't do禁止做某事(mustn't不用于表示推测。 2.can can表示推测时，意思是“可能？，用于疑问句。cat表示否定推测，意思不可 能”。 3.could/may/might cold/may/might表示把握性不大的推测时，意思是可能”。 may not/might not意思是”可能不。 课堂练习：一选词填空。 can, could; may; might, must: have to; can't; 1.You must follow the community rules when you take part in the party. 2.The weather tumns bad,so we have to put off our outdoor activity. 3.-May I put up this photo on the community wall? -Sure,you can 4.It might be the new volunteer at the gate.I'm not sure. 5.Could you give me a hand when I decorate my bedroom later? 6.We can enjoy the warm small shows if we come to the community centre. 4 7.Nobody answers the door.They can't be at home.They have gone travelling. 课后练习 单项选择。 1.-That woman in red looks so much like our neighbour Ms.Wang. 一It be her.She has left for another city on business A.must B.can't C.may D.might 2.You take photos inside this old-house museum.It breaks the public rules. A mustn't B.can't C.needn't D.wouldn't 3 I decorate the public corner with these small fresh flowers? -Of course you can A.Must B.May C.Have to D.Should 4.When he was a child,he pack up his own travelling-bag without others' help. A.can B.could C.must D.has to 5.There is loud noise from the yard.Some neighbours be preparing for the party. A.can't B.must C.need D.should 6.It begins to rain heavily.We stay inside and put off our outdoor activity A.must B.have to C.may D.can 7. you please give me a hand when I move these boxes? -No problem. A Could B.Must C.Need D.Should 5 8.-We will take part in the community party this Sunday. you have a good time！ A.Must B.May C.Can D.Have to 9.-Must we clean up the whole balcony right now? -No,you You can finish it later. A.mustn't B.can't C.don't have to D.won't 10..Students learn more about our local culture in their free time. A.can't B.should C.might D.mustn't 11.You set the table before the guests arrive for the family dinner. A.might must C.can't D.may 12.-Can I put my bike here? -Yes,you But remember not to block the door. can B.could C.must D.have to BABBB BABCB BA 二.句子翻译。 1.你最好不要在公共花园里采摘漂亮的花朵。had better) You had better not pick the beautiful flowers in the public garden. 2.大雪来临，村民们不得不储备足够多的食物。have to) Villagers have to store plenty of food when the heavy snow comes. 3.每一位志愿者必须保护山里村庄的小动物。(st) Every volunteer must protect the small animals in the mountain village. 6 4.你应当认真倾听老邻居讲述过去的故事。（should) You should listen carefully to the old neighbours'stories about the past. 5.你有任何疑问，不必害怕向社区志愿者求助。(need作情态动词) You needn't be afraid to ask the community volunteers for help if you have 6.你不准在这片公共庭院乱扔垃圾。(mustn't) You mustn't throw rubbish everywhere in this public yard. 三.语法填空。 As teenagers,we will grow up one day.We will leave our parents and need to face life's challenges (by ourselves.That's why it's important for us 26 (learn)some basic life skills and develop good working habits. Our government cares 27 hard-working spirit education.28 many teenagers today don't realize how important it is to work hard.Let me tell you about a girl named Nancy.She never helped with housework.One time,her mother 29(is)away for a week.When her mother retumed,she felt surprised- there wasn't 30 (something)clean in the house. Schools can help us understand why working hard is valuable.Many primary and middle schools now offer weekly 31 (class)about the hard-working spirit. Some schools even give each class 32 small garden to grow vegetables.For example,a Middle School in Changsha created a 500-square-meter farm on 33 (they)teaching building's open platform.Students there grow and pick their own vegetables. Parents also encourage us to help with chores at home.We should try to learn one or two new life skills each year,like 34(cook),washing our clothes,or keeping our rooms clean and tidy.These basic skills will prepare us for the future and help us solve problems when we grow up.So,let's start learning these skills now and > practice them 35 (regular). 【答案】26.to learn27.about28.However29.was30.anything 31.classes32.a 33.their34.cooking35.regularly 【解析】 【导语】本文是一篇议论文，主要讨论了青少年学习基本生活技能和培养良 好劳动习惯的重要性，以及学校和家庭在其中的作用。 【26题详解】 句意：这就是为什么对我们来说，学习一些基本的生活技能并培养良好的劳 动习惯很重要。句式It's+形容词+for sb to do sth”表示做某事对某人来说 是.”，其中t为形式主语，真正主语是后面的不定式，因此需用不定式to leam。故填to learn。 【27题详解】 句意：我国政府重视勤劳精神教育。care about是固定搭配，意为关心，重 视”，符合语境。故填about。. 【28题详解】 句意：然而，如今许多青少年没有意识到努力劳动的重要性。前文提到政 府重视勤劳精神教育”，后文说青少年未意识到其重要性”，前后是转折关系， 副词however然而符合语境，首字母需大写。故填However。 【29题详解】 句意：有一次，她的妈妈离开家一周。根据One time'和后文1 eturned可知， 事件发生在过去，需用一般过去时，主语her mother?”是第三人称单数，is的过 去式为was。故填was。 【30题详解】 句意：当她妈妈回来时，感到很惊讶一家里没有任何干净的东西。here wasm't.是否定句，something?某物”，用于肯定句，否定句中需转换为anything 8 表任何东西”。故填anything。 【31题详解】 句意：现在许多中小学每周开设关于勤劳精神的课程。clss课程，是可数 名词，前文many primary and middle schools'和weekly表明课程不止一节，需 用复数形式classes表泛指。故填classes。 【32题详解】 句意：一些学校甚至给每个班级一个小菜园来种蔬菜。small garden”是可数 名词单数，且sal1以辅音音素开头，需用不定冠词a修饰，表示“一个”。故 填a。 【33题详解】 句意：例如，长沙的一所中学在其教学楼的露天平台上建造了一个500平 方米的农场。teaching building's open platform”是名词短语，需用形容词性物主 代词修饰，hey”是人称代词主格，其形容词性物主代词为ther“他们的”，符合 语境。故填their。 【34题详解】 句意：我们应该努力每年学习一到两项新的生活技能，比如做饭、洗衣服或 保持房间干净整洁。ke在此处是介词，意为“比如”，后接动词时需用动名词 形式，cook动名词为cooking。故填cooking。 【35题详解】 句意：所以，让我们现在就开始学习这些技能，并定期练习它们。空格处修 饰动词practice'”,需用副词；1 egular是形容词，其副词形式为regularly定期地”， 在句中作状语，符合语境。故填egularly。 四.完型填空。 It was Saturday,and Liz was excited because she was going shopping with her 9 grandmother.They 16 the shopping centre by taxi."I'll buy you something new.Go ahead and 17 ,said Grandma."I like this one,"said Liz,pointing to (j指向)a green T-shirt with a picture of a_l8onit."That's for boys,”said Grandma."But I love cars,"said Liz.Grandma just smiled and walked away Then Grandma 19 Liz a pink T-shirt."What about this one?"she asked. "But Granny,I don't like pink,"said Liz."All girls like pink!"said Grandma."Well, I'm a girl20_I don't,”said Liz,feeling disappointed(沮丧的).“Fine.I will just get you a 21 T-shirt,"said Grandma. When Liz got home,she left the shopping bag on the table in the living room and went to her 22 .Mum came in,holding the white T-shirt."Is this what you chose?"she asked.Liz told Mum what had happened at the shopping centre "I have an idea,"Mum said and left the room.Minutes 23,she came back with some coloured pens."You can use these to create your own pictures on your new T-shirt!"she said.Liz thought about all the T-shirts she liked and began to 24 After she finished,Liz wore her new T-shirt and looked in the mirror ()She loved it!When her best friend Kate saw the T-shirt the next day,she said she wanted a T-shirt just like hers.Liz was very 25 She couldn't wait to show it off to her other friends！ 16.A.arived at B.thought about C.searched for 17.A.improve B.relax C.choose 18.A.book B.car C.tree 19.A.bought B.showed C.left 20.A.but B.although C.because 21.A.red B.green C.white 22.A.museum B.school C.room 10 23.A.later B.ago C.early 24.A.1un B.talk C.draw 25.A.afraid B.happy C.polite 【答案】16.A17.C18.B19.B20.A21.C22.C23.A24.C25.B 【解析】 【导语】本文是一篇记叙文，主要讲了莉兹和奶奶购物时因T恤款式、颜 色产生分歧，最后在妈妈建议下用彩色笔在白色T恤上创作图案，她很喜欢这 件定制T恤，朋友也想要同款，莉兹十分开心。 【16题详解】 句意：她们乘坐出租车到达了购物中心。 anived at到达；thought about思考；searched for寻找。根据“It was Saturday, and Liz was excited because she was going shopping with her grandmother”可知，莉 兹要和奶奶去购物，所以她们乘坐出租车到达了购物中心，故选A。 【17题详解】 句意：奶奶说我会给你买些新东西，去挑选吧。 improve改善；1elax放松；choose挑选。根据I like this one可知，奶奶让 莉兹去挑选想买的东西，故选C。 【18题详解】 句意：莉兹指着一件上面有汽车图案的绿色T恤说我喜欢这件”。 book书；car汽车；tee树。根据But I love cars'可知，这件T恤上的图 案是汽车，故选B。 【19题详解】 句意：然后奶奶给莉兹看了一件粉色的T恤。 bought买；showed展示、给...看；left离开。根据What about this one? 11 可知，奶奶是把粉色T恤拿给莉兹看并询问她的意见，并非直接买下，故选B。 【20题详解】 句意：莉兹感到沮丧地说好吧，我是个女孩，但我不喜欢（粉色）”。 but但是；although尽管；because因为。根据All girls like pink”,以及莉 兹表示自己不喜欢粉色可知，前后句存在转折关系，故选A。 【21题详解】 句意：奶奶说好吧，我就给你买一件白色的T恤”。 red红色的；green绿色的；white白色的。根据Mum came in,holding the white T-shit可知，奶奶最后给莉兹买的是白色T恤，故选C。 【22题详解】 句意：莉兹回到家后，把购物袋放在客厅的桌子上，然后去了自己的房间。 museum博物馆；school学校；room房间。根据she left the shopping bag on the table in the living room and went to her..可知，莉兹刚到家，去自己的房间符 合常理，故选C。 23题详解】 句意：几分钟后，妈妈拿着一些彩色笔回来了。 later之后；ag0之前；early早地。根据Mum said and left the1oom”可知， 妈妈先离开了房间，几分钟之后才回来，故选A。 【24题详解】 句意：莉兹想着所有她喜欢的T恤样式，然后开始画画。n跑：talk谈 论；draw画画。根据You can use these to create your own pictures on your new T-st?可知，妈妈让莉兹用彩色笔在T恤上画图案，所以莉兹开始画画，故选 C。 【25题详解】 12 句意：莉兹非常开心！ afraid害怕；happy开心的；polite礼貌的。根据She loved it!以及朋友说 想要一件和她一样的T恤可知，莉兹此时的心情是开心的，故选B。 13 Unit 2 Home Sweet Home单元语法和写作讲解 语法：情态动词 一．定义。 是一种本身有一定词义，表示说话人的情绪、态度或语气的动词，但不能单独做谓语，只能和其他单词原形构成谓语。常见:can、could、may、might、must、will、would、should、shall、ought to、need、have to、had better 等 二．用法 1.有一定的词义，但不能单独作谓语，必须和行为动词或系动词连用构成谓语。 2.无人称和数的变化(have to 例外，用于第三人称单数时用 has to)。 3.后接动词原形。 4.具有助动词的作用，可用来构成否定句、疑问句及用于简明答语， 三、情态动词的用法 1.can (1)can 表示能力，意为“能、会” He can play the guitar. 他会弹吉他。 Can you speak English? 你会说英语吗？ Who can answer the question? 谁能回答这个问题？ (2)can 表示请求、允许，意为“可以” You can go home now.你现在可以回家了。 You can't park here. It's a no parking zone.你不能在这里停车。这是禁停区。 - - - Can l use your pen?我可以使用你的钢笔吗？ ---Yes, you can./ No, you can't. ---是的，你可以。/ 不，你不能。 (3)can 表示客观的逻辑上的可能性，意为“可能会，有时会” ，多用于肯定句。 Anyone can make mistakes.任何人都可能犯错。 Children can be noisy sometimes.孩子们有时候会很吵闹。 2.could (1)could 可以作为 can 的过去式，表示过去的能力, When he was young, he could eat eight bowls of rice at a time. 当他年轻的时候，他一次能吃八碗米饭。 Jim couldn't speak Chinese last year, but now he can. 去年吉姆还不会说中文，但现在他会了。 (2) could 表示委婉的语气,用于婉转地提出请求、想法、建议,此时 could 不是 can 的过去式。 注意:对于 could 疑问句的回答，不能用 could 或 couldn't，须用 can 或 can't。 Could you tell me how to get to the airport? 你能告诉我怎么去机场吗？ - --Could I get something to drink? ---我可以喝点什么吗？ - - Yes, you can./No, you can't. ---可以，你可以。/不可以，你不能。 (2) could 表示“可能” 。could 表示的可能性比 can 小，不表示时态 Someone is knocking at the door, Who could it be?有人在敲门，会是谁呢？ 3.may (1).may 表示请求、允许，比 can 和 could 更正式。 You may take the book home.你可以把书带回家。 ---May l leave now?---我现在可以离开吗？ ---Yes, you may/can.或 No, you can't/mustn't.是的，你可以。或 不，你不能。 You may do it tomorrow if you're tired 如果你累了，你可以明天做。 (2) may 表示"可能，也许",一般搭配不确定。可用于肯定句和否定句中。 It may rain tomorrow, so we had better put off the sports meeting. 明天可能会下雨，所以我们最好推迟运动会。 --Where is Jenny?--珍妮在哪里？ ---I'm not sure. She may be in the school library. ---我不确定。她可能在学校图书馆。 (3)may 表示祝愿。 May you succeed! 愿你成功！ Long may you live! 长寿永存！ 4.might might 表示”可能，也许” ，比 may 语气弱。可用于肯定句和否定句中 Don't go out on your own, because you might get lost in the mountains. 不要独自一人外出，因为你可能会在山中迷路。 He might not come tomorrow, but l am not quite sure. 他明天可能不会来，但我并不十分确定。 5.must (1).表示“必须”注意: 以 must 开头的疑问句，肯定回答应用 must,而否定回答则用 needn't或 don't have to 表示"不需要、不必”。 All passengers must wear seat belts.所有乘客必须系好安全带。 ---Must we finish the exercises today?---我们必须今天完成练习吗？ ---Yes, you must/ No, you needn't. ---是的，必须/不，不必。 (2).must not /mustn't 表示禁止，意为"不允许” Passengers must not talk to the driver.乘客不得与司机交谈。 Cars mustn't park in front of the entrance 车辆不得停放在入口前。 6. have to have to 的意思接近 must,但 must 更强调说话者的主观意愿。 have to 强调客观上的必要性常译为"不得不” : I have to leave now, My mum is waiting for me. 我现在必须离开了，我的妈妈在等我。 四、总结情态动词表推测 1.must must 表示有把握的肯定推测，“一定” ，用于肯定句。要表示推测“一定不” ，用 can't。mustn't do“禁止做某事”(mustn't 不用于表示推测)。 2.can can 表示推测时，意思是“可能” ，用于疑问句。can't 表示否定推测，意思“不可能” 。 3.could/may/might could/may/might 表示把握性不大的推测时,意思是”可能”。 may not/might not 意思是”可能不”。 课堂练习：一.选词填空。 can; could; may; might; must; have to; can't; should; needn’t 1. You _____________follow the community rules when you take part in the party. 2. The weather turns bad, so we_____________put off our outdoor activity. 3. — _____________ I put up this photo on the community wall? — Sure, you can. 4. It _____________ be the new volunteer at the gate. I'm not sure. 5. _____________you give me a hand when I decorate my bedroom later? 6. We_____________ enjoy the warm small shows if we come to the community centre. 7. Nobody answers the door. They _____________ be at home. They have gone travelling. 8. You _____________ take enough exercise to keep healthy. It’s good for your body. 9. You______________ buy so many decorations for the small house. One is enough. 课后练习 1． 单项选择。 1. — That woman in red looks so much like our neighbour Ms.Wang. — It ________ be her. She has left for another city on business. A. must B. can' t C. may D. might 2. You ________ take photos inside this old‑house museum. It breaks the public rules. A. mustn't B. can't C. needn't D. wouldn't 3. — ________ I decorate the public corner with these small fresh flowers? — Of course you can. A. Must B. May C. Have to D. Should 4. When he was a child, he ________ pack up his own travelling-bag without others' help. A. can B. could C. must D. has to 5. There is loud noise from the yard. Some neighbours ________ be preparing for the party. A. can't B. must C. need D. should 6. It begins to rain heavily. We ________ stay inside and put off our outdoor activity. A. must B. have to C. may D. can 7. — ________ you please give me a hand when I move these boxes? — No problem. A. Could B. Must C. Need D. Should 8. — We will take part in the community party this Sunday. — ________ you have a good time! A. Must B. May C. Can D. Have to 9. — Must we clean up the whole balcony right now? — No, you ________. You can finish it later. A. mustn't B. can't C. don't have to D. won't 10. . Students ________ learn more about our local culture in their free time. A. can' t B. should C. might D. mustn' t 11. You ________ set the table before the guests arrive for the family dinner. A. might B. must C. can' t D. may 12. — Can I put my bike here? — Yes, you ________. But remember not to block the door. A. can B. could C. must D. have to 2． 句子翻译。 1. 你最好不要在公共花园里采摘漂亮的花朵。(had better) _____________________________________________________________________2. 大雪来临，村民们不得不储备足够多的食物。(have to) _____________________________________________________________________3. 每一位志愿者必须保护山里村庄的小动物。(must) _____________________________________________________________________4. 你应当认真倾听老邻居讲述过去的故事。（should） _____________________________________________________________________5. 你有任何疑问，不必害怕向社区志愿者求助。（need 作情态动词） _____________________________________________________________________6. 你不准在这片公共庭院乱扔垃圾。（mustn' t） _____________________________________________________________________ 三．语法填空。 As teenagers, we will grow up one day. We will leave our parents and need to face life' s challenges (挑战) by ourselves. That' s why it' s important for us ____26____ (learn) some basic life skills and develop good working habits. Our government cares ____27____ hard-working spirit education. ____28____, many teenagers today don' t realize how important it is to work hard. Let me tell you about a girl named Nancy. She never helped with housework. One time, her mother ____29____ (is) away for a week. When her mother returned, she felt surprised— there wasn' t ____30____ (something) clean in the house. Schools can help us understand why working hard is valuable. Many primary and middle schools now offer weekly ____31____ (class) about the hard-working spirit. Some schools even give each class ____32____ small garden to grow vegetables. For example, a Middle School in Changsha created a 500-square-meter farm on____33____ (they) teaching building' s open platform. Students there grow and pick their own vegetables. Parents also encourage us to help with chores at home. We should try to learn one or two new life skills each year, like ____34____ (cook), washing our clothes, or keeping our rooms clean and tidy. These basic skills will prepare us for the future and help us solve problems when we grow up. So, let' s start learning these skills now and practice them _____35_____ (regular). 四．完型填空。 It was Saturday, and Liz was excited because she was going shopping with her grandmother. They____16____ the shopping centre by taxi. “I’ll buy you something new. Go ahead and ____17____,” said Grandma.“I like this one,” said Liz, pointing to (指向) a green T-shirt with a picture of a ____18____ on it. “That’s for boys,”said Grandma. “But I love cars,” said Liz. Grandma just smiled and walked away. Then Grandma ____19____ Liz a pink T-shirt. “What about this one?” she asked. “But Granny, I don’t like pink,” said Liz. “All girls like pink!” said Grandma. “Well, I’m a girl ____20____ I don’t,” said Liz, feeling disappointed (沮丧的). “Fine. I will just get you a ____21____ T-shirt,” said Grandma. When Liz got home, she left the shopping bag on the table in the living room and went to her ____22____.Mum came in, holding the white T-shirt. “Is this what you chose?” she asked. Liz told Mum what had happened at the shopping centre. “I have an idea,” Mum said and left the room. Minutes ____23____, she came back with some coloured pens.“You can use these to create your own pictures on your new T-shirt!” she said. Liz thought about all the T-shirts she liked and began to ____24____. After she finished, Liz wore her new T-shirt and looked in the mirror (镜子). She loved it! When her best friend Kate saw the T-shirt the next day, she said she wanted a T-shirt just like hers. Liz was very ____25____! She couldn’t wait to show it off to her other friends! 16. A. arrived at B. thought about C. searched for 17. A. improve B. relax C. choose 18. A. book B. car C. tree 19. A. bought B. showed C. left 20. A. but B. although C. because 21. A. red B. green C. white 22. A. museum B. school C. room 23. A. later B. ago C. early 24. A. run B. talk C. draw 25. A. afraid B. happy C. polite 1 学科网（北京）股份有限公司 $