英语八年级上人教版Unit 8重点单词、短语及句子专练习(含答案)
英语八年级上人教版Unit 8重点单词、短语及句子专练(含答案)一、根据汉语意思完成英语句子，每空一词。
1.戴尔让我给他打幵收音机。
Dale asked me to_________ _________ the radio for him. .2.把土豆切碎后再放进锅里。
_________ _________ the potatoes before you put them into the pot.3.把牛奶倒进杯子里。
_________ the milk _________the glass.4.请在海报上加个说明。
Please _________ a note _________ the poster.5.吉尔,我还有一件事要告诉你。
Jill, I have_________ _________ _________ to tell you.二、根据句意及括号内所给单词的提示填空。
1. In the store, you can buy all kinds of________ (sandwich).2. Would you like some more bread and_________ (butter)?3. Don't eat too much ice-cream. It is high in fat and _________ (sugar).4. This pair of socks is full of_________ (hole). I need to buy a new pair.5. This morning my father bought two kilos of_________ (cheese).三、根据括号内的要求完成下列各题,每空一词(含缩略形式)。
1. First, you should wash your dirty clothes.(改为祈使句)First, _________ _________ dirty clothes.2. Watch the program before dinner. (改为否定句）_________ _________ the program before dinner.3. Please tell me the way to make fruit salad. (改为同义句）Please tell me_________ _________ _________ fruit salad.4. That young man would like two cups of coffee. (对划线部分提问)_________ _________ _________would that young man like?5. They planted three hundred trees last year. (对划线部分提问）_________ _________ _________ did they plant last四、根据句意及括号内所给单词的提示填空。
1. These English_________ (travel) are all interested in Chinese culture.2. Dale usually _________ (celebrate) his birthday with his friends.3. Jane, please get another five _________ (plate) for me.4. First _________ (mix) the butter and sugar together, and then add the milk.5. Nick put some _________ (pepper) on his steak (牛排).五、根据汉语意思完成英语句子，每空一词。
1. 您的主菜想要点什么？What would you like for your__________ _________?2.凯特的妈妈正在向她示范做火鸡的方法。
Kate's mother is showing her _________ _________ _________ _________turkey.3.他们不知道做什么来表达对生活的感激。
They didn’t know what to do to _________ _________ life.4. 不要把火腿切成片。
Don’ t_________ the ham_________ _________.5.乔，把这些肉配上一些水果招待你的朋友吧。
Joe, _________the meat _________ your friends with some fruit.六、根据汉语意思及括号内所给英文提示语，将下列句子翻译成英语。
1. 他们一个一个地走进教室。
(one by one)_________________________________________2.到开始工作的时候了。
(time)_________________________________________3.我们需要多少香蕉？ (how many)_________________________________________4.往汤里加两勺盐。
(spoon)_________________________________________5.现在坐下来，让自己舒服些。
(make, comfortable)_________________________________________七、根据短文内容，从方框中选择恰当的单词或短语填空，有的需要变换形式Mother's Day is on the second Sunday in May. My sister and I usually (1)_________ this holiday by making some delicious food for my mom.My sister usually makes a banana (2)_________ for my mom, which I think is quite simple. First, (3)_________ three bananas and cut them up. Next, put the bananas, some milk and ice-cream into a blender. Then, (4)_________ the blender. The milk shake will be ready in three minutes.As for me, I usually make a chicken (5)_________ for my mom. First, spread (涂）some (6)_________ on one piece of bread. Next, cut the chicken into thin pieces and (7)_________ them with some pepper. Then, put the chicken pieces and some onion on the bread with butter. (8)_________ put another piece of bread on the top.How do you give thanks to your mom? Do you also make some food for her?八、根据对话内容,从方框中选择恰当的选项补全”话,其中有两项多余。
A: Linda, I'm hungry. Let’s think about the food for dinner.B: Sounds good. (1)_________A: How about carrot soup and pancakes?B： (2)_________A: But I can’ t make carrot soup. I know you' re good at it. (3)_________ B: Sure. First, buy some pork, two tomatoes and three carrots. Then, wash them and cut them up.A： (4)_________B: Add some water to a pot and put them into the pot to cook.A: How long should they be cooked?B: About 20 minutes.A: (5)_B: No, no! Finally, don't forget to add some salt and sesame oil (香油）to the soup.参考答案一、1. turn on 2. Cut up 3. Pour; into 4. add; to 5. one more thing二、 1. sandwiches 2. butter 3. sugar 4. holes 5. cheese三、 1. wash your 2. Don't watch 3. how to make 4. How much coffee 5. How many trees四、 1. travelers 2. celebrates 3. plates 4. mix 5. pepper五、 1. main dish 2. the way to make 3. give thanks for 4. cut; into pieces5. serve; to六、 1. They walked into the classroom one by one.2. It's time to start working.3. How many bananas do we need?4. Add two spoons of salt to the soup.5. Now sit down and make yourself comfortable.七、1. celebrate 2. milk shake 3. peel 4. turn on 5. sandwich 6. butter 7. mix 8. Finally八、 1-5 DFAGE。
人教版八年级上册英语 Unit 8 重要知识点配套练习题【附答案解析】
Unit 8 How do you make a banana milk shake?知识点一：本单元重点语法知识点练习题◆可数名词与不可数名词⑴选择题( ) 1. Could you please get me some ________ ? I'm hungry.A. appleB. waterC. breadD. egg( ) 2. The broken ________ may cut into your hand if you touch it. You should be careful.A. glassB. glassesC. candleD. candles ( ) 3. These ________ in beautiful dresses will have a party this evening.A. manB. menC. womenD. woman( ) 4. —How many ________ do we need to make fruit salad?—Two should be enough.A. cabbageB. potatoesC. bananasD. lemon( ) 5. —What's in the icebox?—A few ________ , but little ________A. apple；milkB. apple；C. apples；milksD. apples；milkmilks( ) 6. —Let's see what food you've got for dinner.—Look, we have mutton(羊肉), fish, eggs, tomatoes and ________ .A. milkB. breadC. coffeeD. juice( ) 7. —How many ________ doctors are there in your hospital, David?—________ them ________ over one hundred.A. woman；The number of；isB. women；A number of；areC. woman；A number of；isD. women；The number of；is( ) 8. Many foreigners came to our school last week, including three _______ and four_______ .A. German ；AmericanB. Germans；AmericanC. Germans；AmericansD. German；Americans( ) 9. The online shop sells _______ shoes at a very low price.A. child and men'sB. children and men'sC. children's and menD. children's and men's( ) 10. Could you please put some _______ in my cup? I'd like sweet coffee.A. sugarB. saltC. iceD. pepper( ) 11. —I like _______ . They are my favorite fruit.—Really? But I like apples.A. bananaB. strawberriesC. orangeD. grape( ) 12. —Mom, I'm back. Is there anything to eat?—Sure. Some _______ in the fridge.A. beefB. appleC. dumplingD. milk⑵按要求完成下列各题1. Put the bananas and ice-cream in the blender. （改为否定句）__________________________________________________________________________________________________________祈使句肯定结构：祈使句否定结构：2. I want to know how I can plant a tree.（改为同义句）3. We need three spoons of yogurt to make the milk shake.（对划线部分提问）4. He cooked them for 5 minutes.（对画线部分提问）__________________________________________________________________________________________________________ 5. The baby drinks a cup of milk every morning. （对画线部分提问）__________________________________________________________________________________________________________知识点二：本单元重点单词变形练习题⑴ 用所给单词的适当形式填空1. How many _______________ (dictionary) do you have?2. My aunt's baby has four _______________ (tooth) now.3. There is a ____________ (sheep) by the river and there are many ___________ (sheep) on the hill.4. She likes eating ____________ (tomato) noodles very much and she doesn't add too much ____________ (salt) to them.5. —How much salt do we need?—Two ____________ (spoon).6. We need two more ____________ (spoon) of sugar for our milk shake.7. After arriving home, she began to make a fire and ____________ (prepare) supper.8. James ____________ (shake) his head and pointed at the TV.9. They celebrate the special day by ____________ (cook) a big dinner.10. Now, it's time ____________ (enjoy) the fruit salad.⑵用方框中所给单词适当形式填空My uncle and aunt live on a big farm in the countryside. They keep 1. __________ and sheep and grow a lot of corn on the farm. We often go there for our holidays. We always enjoy 2. __________ on the farm.It was Thanksgiving last Thursday. My uncle and aunt asked our whole family to 3.__________ house for dinner. We got up very early that day. Before starting, we bought some gifts. Then, we went there by bike. It 4. __________ us one and a half hours to get there.My uncle and aunt were glad to see us. We gave the gifts to them and they were very 5.__________ . Then, we sat down and talked. My uncle told my brother and me the story of Thanksgiving. About 400 years ago, the first 6. __________ from England came to live inAmerica. They had a long, hard winter, and many of them 7. __________ . In the next autumn, they gave thanks for life and food in their new home. These days, most Americans still 8.__________ this idea of giving thanks by having a big meal at home with their family.It was time to have lunch. My aunt served us the 9. __________ food —turkey. It tasted delicious and we all enjoyed it.At about 5 o'clock in the afternoon, we said goodbye to them and went back home. What an 10. __________ day it was!Breakfast in England is a very big meal —eggs, tomatoes, tea, coffee... But for many people, lunch is a quick 1. __________ . In cities, there are a lot of sandwich bars, where office workers can 2. __________ all kinds of sandwiches, salad and meat. School 3. __________ can have a hot meal at school. 4. __________ many students like taking sandwiches made by their parents, drink and some fruit from shops. “Tea” 5. __________ two things. It includes drink and a meal. Some people have afternoon tea with sandwiches, 6. __________ and tea. They usually have the evening meal 7. __________ early, between 6: 00 and 8 :00, and often all the family members eat together. 8. __________ Sundays many families have traditional lunch. 9. __________ have chicken, pork and vegetables. Englishmen also like food from 10. __________ countries, especially（尤其）from France, China, Italy and India.知识点三：本单元重点短语练习题⑴根据汉语提示完成句子1. 把牛奶倒进蓝色的碗里。
Unit 8 (单元复习课件)-八年级英语上册(人教版)
二、词组归纳
11.一杯酸奶 ____o_n__e_/_a__c_u_p__o__f_y_o__g_u_r_t 12.还有一件事 _____o__n_e__m__o__re__t_h_i_n_g__ 13.牛肉面条 ____b__e_e_f__n_o_o__d_l_e_s_____ 14.做水果沙拉 _____m__a_k_e__f_r_u_i_t_s_a__la_d__ 15.把……放进……里面 _____p_u__t_.._.i_n_/_i_n_t_o_._..____ 16.传统食物 ___t_r_a_d__it_i_o_n__a_l_f_o_o__d___ 17.一片面包 ____a__p_i_e_c_e__o__f_b__re__a_d__ 18.一个特殊的日子 _____a__s_p_e_c__ia_l__d_a_y_____ 19.感恩；感谢 _____g_i_v_e__t_h_a__n_k_s______ 20.做菜 _____m__a_k_e__d__is_h__e_s_____
watermelon
7. ____________n. 西瓜
spoon
8._____________n.__v. 增加;添加 10. __f_i_n_a_l_l_y____adv. 最后;最终 11. __s_a_l_t_______n. 食盐 12___s_a_l_t_y_____adj. 咸的 13. __s_u__g_a_r_____n. 食糖 14. __c_h__e_e_s_e____n. 干酪;奶酪 15. __m__a__c_h_i_n_e__n. 机器;机械装置 16. __h__o_l_e______n. 洞;孔;坑
四、重点知识
Cut up the bananas. 切碎香蕉。
人教版英语八年级上册总复习各单元知识点和练习
八年级上册各单元重点知识归纳和练习巩固Unit 1 How often do you exercise?词组1. go to the movies 去看电影2. look after = take care of 照顾3. surf the internet 上网4. healthy lifestyle 健康的生活方式5. go skate boarding 去划板6。
keep healthy=stay healthy 保持健康7. exercise=take（much)exercise=do sports锻炼8. eating habits 饮食习惯9。
take more exercise 做更多的运动10。
the same as 与什么相同11. be different from 不同12。
once a month一月一次13. twice a week一周两次14. make a difference to 对什么有影响15. how often 多久一次16. although = though虽然17. most of the students=most students18。
shop=go shopping=do some shopping 购物19。
as for至于20。
activity survey活动调查21. do homework做家庭作业22。
do house work做家务事23。
eat less meat吃更少的肉24。
junk food垃圾食物25。
be good for 对什么有益26. be bad for对什么有害27。
want to do sth 想做某事28. want sb to do sth想某人做某事29。
try to do sth 尽量做某事30。
come home from school放学回家31. of course = certainly = sure当然32。
新人教版英语八年级上册英语短语答案
24.Thanksfordoingsth.
因做某事而感谢。
25.Whatdoyouthinkof…?
你认为……怎么样?
26.much+adj./adv.的比较级
……得多
27.watchsb.dosth.
观看某人做某事
28.playaroleindoingsth
在做某事方面扮演重要的角色
上舞蹈课和钢琴课
16gotobedearly
早点睡觉
17playsports
进行体育活动
18begoodfor
对……有好处
19begoodto
对……好/慈爱
20gocamping
去野营
21not…atall
一点儿也不……
22inone’sfreetime
在某人的业余时间
23themostpopular
7.quiteafew
相当多
8.studyfor
为……而学习
9.goout
出去
10.mostofthetime
大部分时间
11.tastegood
尝起来很好吃
12.haveagoodtime
玩得高兴
13.ofcourse
当然
14.feellike
给……的感觉；感受到
15.goshopping
去购物
16.inthepast
38junkfood
垃圾食品
39howcome?
怎么会呢？
40goonline
上网
Unit3I’mmoreoutgoingthanmysister.
1.moreoutgoing
更外向
2.As…as…
Unit 8 知识清单人教版八年级英语上册
Unit 8 How do you make a banana milk shake? 一基础单词和短语回顾复习Section A1. 摇动；抖动2. 倒出；倾倒3. blender4. peel5. 酸奶6. 蜂蜜7. watermelon 8. pot9. 勺；调羹 10. 增加；添加11. finally 12. salt13. 食糖 14. 干酪；奶酪15. popcorn(n.) 16. corn17. 机器；机械装置 18. 掘(地)；凿(洞)；挖(土)19. hole 20. 奶昔21. 接通，打开 22. cut up23. pour... into... 24. peel bananas25. how much 26. how many27. good idea 28. make fruit salad29. another 10 minutes 30. one more thing31. wash clothes 32. a cup of33. popcorn machineSection B1. 夹心面包片；三明治2. 黄油；奶油3. turkey4. lettuce5. 片；块；段6. 传统的；惯例的7. Thanksgiving 8. autumn9. 漂泊者；旅行者；游客 10. 英格兰11. celebrate 12. mix13. 甜椒；柿子椒 14. （使）充满；装满15. oven 16. plate17. 遮盖；覆盖物 18. 接待；服务；提供19. gravy 20. temperature(n.)21. 一片面包 22. on special holidays23. 在11月的第四个星期四 24. one way to make turkey 25. 把火鸡切成薄片 26. cover...with...27. 用...装满 28. one by one29. 混合在一起 30. have a big meal二短语归纳milk shake turn on pour…into…a cup of yogurt a good ideaon Saturday cut up put…into… one more thing a piece ofat this timea fewfill… with…cover…with… one by onea long timehow many+可数名词复数how much+不可数名词It’s time (for sb.)+to do sth. First…Next…首先…接下来…Then…Finally…然后….最后…want + to do sth.forget+to do sth.how + to do sth.need+to do sth.make+宾语+形容词使……怎样let sb. +do sth.三语法讲解1. How do you make a banana milk shake? 怎样制作一份香蕉奶昔?解析：shake (n) 摇动；抖动(v)（使）摇动/颤抖过去式短语：shake off 抖落shake hands 握手shake one’s head 摇头for a shake 一瞬间饮用之前请摇一下瓶子。
八年级英语Unit 8 How was your school trip 人教版(新目标)知识精讲
初二英语Unit 8 How was your school trip? 人教版（新目标）【本讲教育信息】一. 教学内容：Unit 8 How was your school trip?一. 单元目标：1. 学习询问和谈论过去发生的事情。
2. 通过调查了解全班同学上周末的活动。
3. 通过描写“难忘的假日”，“秋游…”和日记摘抄，学习谈论过去发生的事情。
二. 语言结构：1. 规则动词和不规则动词的一般过去式。
2. 一般过去时的肯定句和否定句。
3. Did you, Were there引导的一般疑问句。
三. 重点词汇：1. aquarium n. 水族馆2. science center科学中心3. gift shop礼品商店4. seal n. 海豹5. shark n. 鲨鱼6. octopus n. 章鱼7. autograph n. 亲笔签名8. win v. 获胜，赢9. ate v. （eat的过去式）吃10. took v. （take的过去式）乘坐、花费11. hung out （hang out）外出12. got v. （get的过去式）得到13. go for a drive开车兜风14. sleep late 睡得晚15. yard sale 现场旧货出售16. day off 放假四. 重点短语：1. take photos 照相2. at the aquarium 在水族馆3. win a prize 获得奖品4. on the school trip 在学校旅行5. have a great time 玩得愉快6. watch a dolphin show 看一场海豚表演7. after that 那以后8. at the end of …在…结束在…末尾9. on the day off 在假日里10. all day 一整天11. e back from…在…回来五. 重难点解析：1. 复习一般过去时一般过去时态是谈论过去最常用的时态，它可以表示短暂而很快就完的动作和事情，时间较长的动作和状况以及重复发生的事情，句中通常有明确的一般过去时的时间状语。
新目标八年级英语(上册) Unit 8 词汇专练及答案
新目标八年级英语（上册）Unit 8 词汇专练根据首字母及汉语意思补全单词，并将单词的正确形式完整地填写在横线上。
1．How does this m________ work? Can you introduce it to us?T2．There will be less p________ if everyone plays a role in protecting our environment.3．They d________ deeper and deeper but still found nothing.4．he street is very c________ on weekends, many people are there.5．It's too d________ for you to swim in the river.6．Put a spoon of b________on the bread.7．My mother doesn't like eating ________(生菜) at all.8．I usually have s________ and milk for breakfast.9．First，cut the potatoes into small p________ ．10．They usually eat t________ on Thanksgiving Day.11．There are quite a few ________ (机器) in the factory.12．Mom，two s________of salt are enough for the soup.13．After dinner，we have to wash these bowls and p________ ．14．S________the apple juice first，and then drink it.15．The T________ of the water is just right for swimming.16．I heard that these ________ (travel) came from England.17．Look！Students are ________ (dig) holes for the trees.18．After half an hour walk，Mike and his parents ________ (final) got to the train station.19．The Spring Festival is one of the ________ (tradition) festivals in China. 20．Mr. Green put some ________ (pepper) in his bowl.21．How much is the ________(食盐)?22．Would you like to buy some ________(蜂蜜)?23．People like eating w________ in summer.24．I a________ some beef to the soup just now.25．Does your brother like y________very much?26．Jane s________ the bottle before she drink the orange juice. 27．F________, we arrived at the train station at 4:30 p.m. 28．Go to the store and get two s________ this afternoon. 29．Look！Bill is p________ water into the pot.30．Can you help me to p________ two potatoes，Jim? 31．We all know a________ comes after summer.32．The highest t________ is 30℃ today.33．It's difficult for us to decide how to c________ her birthday. 34．Please give me two large p________ of dumplings. 35．Next，m________ together all the vegetables.36．Be careful when you take the cake out of the o________. 37．The small restaurant s________ delicious rice noodles. 38．Mike is very interested in t________ Chinese food. 39．The t________ is so tired that he doesn't want to walk. 40．Mr.Wang hopes to visit E________ with his family one day. 41．Eating too much s________ is bad for your teeth. 42．What t________ food do you have on Mid－Autumn Day? 43．There is a h________ in the door.44．Don't p________ waste water into the river.It will pollute it. 45．Please put the bread on the p________，not in the bowl. 46. ________ (final) we got to the top of the mountain. 47．Pass me three ________ (piece) of bread.48．How much ________ (butter) is there on the bread? 49．Make sure all the ________ (travel) know the instructions. 50．I like ________ (sandwich)．They are very delicious. 51．There are two small h________ on the sweater.52．Some farmers are growing c________ on the farm. 53．Lisa was hungry and had some bread and c________.54．They want to buy some new m_______ next year. 55．How about d________ in front of the hill?参考答案1.machine2.pollution3.dug4.crowded5.dangerous6.butter7.lettuce8.sandwiches9.pieces 10.turkey11.machines12.spoons13.plates14.Shake15.temperature16.travelers17.digging18.finally19.traditional20.pepper21.salt22.honey23.watermelons24.added25.yogurt26.shook27.Finally28.spoons29.pouring30.peel31.autumn32.temperature33.celebrate34.plates35.mix36.oven37.serves38.traditional39.traveler/traveller40.England41.sugar42.traditional43.hole44.pour45.plate46.Finally47.pieces48.butter49.travelers50.sandwiches 51.holes52.corn53.cheese54.machines55.digging。
Unit 8单词词组默写人教版八年级上册 英语
Unit 8 How do you make a banana milk shake? (原卷版)课前测（10min）姓名：分数：（总分100分）一、单词默写（39分）1.n.&v.摇动;抖动2.n.食物搅拌器3.v.剥皮;去皮4.v.倒出;倾倒5.n.酸奶6.n.蜂蜜7.n.西瓜8.n.勺;调羹9.n.锅10.v.增加;添加11.adv.最后;最终12.n.食盐13.n.食糖14.n.干酪;奶酪15.n.爆米花16.n.玉米;谷物17n..机器;机械装置18.v.掘(地);凿(洞);挖(土)19n.洞;孔;坑20.n.夹心面包片;三明治21.n.黄油;奶油22.n.火鸡23.n.莴苣;生菜24.n.片;块;段25.n.感恩节26.adj.传统的;惯例的27.n.秋天;秋季28.n.漂泊者;旅行者;游客29.n.英格兰30.v.庆祝;庆贺31v.(使)混合;融合32.n.甜椒;柿子椒33.v.(使)充满;装满34.n.烤箱;烤炉35.n.盘子;碟子36.v.&n.遮盖;覆盖;覆盖物;盖子37.n.(调味)肉汁38.v.接待;服务;提供39.n.温度;气温;体温二、词组默写（30分）1.奶昔2.打开3.打开4.一片；一条5.用……填满……6.用……覆盖……7.把……切碎8.切碎9.把……倒进……10.把……放进……11.做汤12.从……带出/ 取出…13.挖洞14.逐一地15.另外十分钟三、将下列方框中的单词按要求归类。
（16分）可数名词：________________________________________________________________________________________________________________________________不可数名词：______________________________________________________________________________________________________________________________四完形填空（每小题1.5分，共15分）先通读下面的短文，掌握其大意，然后从A、B、C、D四个选项中选出可以填入空白处的最佳答案。
人教版新目标八年级英语上册各单元重点单词和短语梳理归纳
人教版新目标八年级英语上册各单元重点单词和短语梳理归纳Unit 1 Where did you go on n?In this unit。
we learn some XXX.1.Phrasesgo on n: XXXstay at home: not go XXXgo to the mountains: XXXgo to the beach: XXXvisit museums: go to museums for sightseeinggo to summer camp: XXXquite a few: a considerable numberstudy for: learn for a specific purposego out: leave the house for activitiesmost of the time: the majority of the timetaste good: have a good flavorhave a good time: enjoy oneselfof course: certainlyfeel like: have the feeling ofgo shopping: visit stores for shoppingin the past: before nowwalk around: stroll in an areabecause of: due toXXX: a serving ofthe next day: the following dayXXX: have tea as a XXXfind out: discovergo on: continuetake photos: use a camera to capture images XXXup and down: moving in different ns come up: appear or XXX2.Sentence Structuresbuy sth。
Unit 7 - Unit 8 知识点总结与运用(含答案)人教版英语八年级上册
Unit 7 〜Unit 8知识点总结与运用知识梳理一、重点单词1.污染物_____________2.将来_____________3.环境_____________4.和平_____________5.已经;早已 _____________6.相信_____________7.不同意 _____________ 8.可能的_____________ 9.摇动_____________ 10.倾倒_____________ 11.增加_____________ 12.最终_____________ 13.传统的_____________ 14.旅行者_____________ 15.庆祝_____________ 16.服务_____________17.温度_____________ 18.机器_____________二、重点短语1.发挥作用 _____________2.多次;反复地____________3.跌倒 _____________4.寻找；寻求 ___________5 .接通（水、电流、煤气等）_____________6.用……装满……7.几个；一些 ___________8.用……覆盖 _____________三、重点句型1.明天将有一场运动会。
There is_____________ _____________ _____________ a sports meeting tomorrow.2.这里的空气含有大量的污染物。
There's a lot of_________ _________ the air here.3.但是目前它们处于危险之中。
But at present they're_________ _________ .4.婴儿在学走路时经常会摔倒。
Babies often_________ _________ when they learn to walk.5.我们要尽早出发。