Unit 4 Don't eat in class.
Section B(1a～1d)
01 基础过关
Ⅰ.用适当的介词填空。
1．Sally is never late for class.
2．—What do you usually do on school nights
—I usually do my homework.
3．My brother likes listening to music at night.
4．Don't stay outside after school.You have to go home.
5．Nick always brushes his teeth before going to bed.
Ⅱ.用方框中所给单词的适当形式填空。
dish，hall，out，before，practice
6．Lucy practices swimming every weekend.
7．Bill always says goodbye to his grandparents before he goes to school.
8．The two blue dishes are very nice.I like them very much.
9．I'll go out for a walk with Linda after dinner.
10．They are having a meeting in the hall．
Ⅲ.根据汉语意思完成句子，每空一词。
11．晚上你能出去吃饭吗？
Can you go out to eat dinner at night
12．她经常帮她的妈妈做早餐。
She often helps her mom make/cook breakfast．
13．请在晚餐后清洗餐具。
Please do the dishes after dinner.
14．我每天花两个小时练习吉他。
It takes me two hours to practice the guitar every day.
15．现在我们不得不打扫我们的房间。
Now we have to clean our rooms.
02 综合提升
Ⅳ.单项选择。
(C)16.I ________ go out to play with you because I have much homework to do.
A．don't B．aren't
C．can't D．doesn't
(C)17.You have to go to bed ________ 10：00 every night.You can't go to bed too late.
A．after B．in
C．before D．on
(A)18.I usually practice ________ football with my classmates after school.
A．playing B．to play
C．play D．played
(C)19.Mrs.Smith asks her daughter not to ________ after 9：00 at night.
A．get off B．come in
C．go out D．get up
(C)20.—Does Bill have to go swimming
—________.
A．Yes，he has B．No，he hasn't
C．Yes，he does D．No，he isn't
Ⅴ.阅读理解。(★★☆☆☆)
阅读短文，根据短文内容回答问题。
American students must follow the classroom rules.Here are some of the rules.
★If the teacher asks you a question，you should answer it at once.
★You must not be absent(缺席的) on a test day.If you are seriously(严重地) ill, let the teacher know.If your teacher allows make－up tests，you'd better take the tests within(在……之内) one or two days after you return to class.
★It is rude(无礼的) to be late.If you are late, you should come into the classroom and go to your seat quietly.In the USA，it is not necessary to knock(敲门) before you enter the classroom.
★In America，you should call your teacher by his or her last name，not “teacher”．Also you should use Mr.，Miss，Ms.or Mrs.before the last name，such as Mrs.Smith or Mr.Jones.
★In the US, it is impolite(不礼貌的) to eat, drink or chew gum(口香糖) in class.
21．If the teacher asks you a question in the US，what should you do
Answer__it__at__once.
22．On a test day，if you are seriously ill，what should you do
Let__the__teacher__know.
23．If you are late，what should you do in the USA
Come__into__the__classroom__and__go__to__the__seat__quietly.
24．In the US，how should you call your teacher
Call__his__or__her__last__name，and__use__Mr.，Miss，Ms.or__Mrs.before__the__last__name.
25．Is it impolite to eat，drink or chew gum in class in the USA
Yes，it__is.Unit 4 Don't eat in class.
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Ⅰ.完形填空。(★★★☆☆)
We get on very well at home because we have some rules.
Everyone should sit down at the table and have dinner together.My mother makes it a __1__．I think this is an easy but __2__ rule to have.__3__ together at home makes every one of us feel “at home”．
Another one is everyday routine.It was hard for us to __4__ the rule at first，__5__ now it is becoming our good habit.After __6__，we usually have a playtime，and then 7：00 p．m. is bath time；7：30 p．m. is time to have some milk；at 7：50 p．m. my mother reads a story，and then __7__ go out at 8：00 p．m.This routine makes me __8__ early in the morning and helps me be in a __9__ mood(情绪) at school.
Cleaning up is a family matter.After dinner we help our parents to clean up the kitchen and clear everything off the table.After this，we __10__ the toys that we played with in the daytime.Then we put them in their right place.
(C)1.A.way B．word
C．rule D．plan
(D)2.A.relaxing B．interesting
C．difficult D．important
(C)3.A.Reading B．Playing
C．Eating D．Living
(A)4.A.keep B．find
C．have D．know
(D)5.A.so B．because
C．and D．but
(B)6.A.class B．dinner
C．party D．work
(B)7.A.people B．lights
C．nights D．days
(A)8.A.get up B．go to bed
C．go home D．go to work
(C)9.A.lucky B．boring
C．good D．busy
(B)10.A.play with B．clean up
C．look for D．put up
Ⅱ.阅读理解。(★★★☆☆)
根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。(其中有一项为多余选项)
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Do you agree on the idea of
banning food on the subway
YES
Sun Run，15，Zhejiang
Banning food on the subway is a good idea.__11__ I take the subway home from school every day.I often feel tired and hungry.But sometimes there are people eating food next to me.The smell is so annoying.Also，the subway is so noisy and crowded.Even if people are allowed to eat，they won't be able to enjoy their food.
Zhang Jiahao，14，Beijing
__12__ They don't care about other people's feelings.To be honest，I hate people who eat next to me on the subway.It's not good for public sanitation(卫生)．Sometimes their food falls on me.And I don't like the smell.I always hold my breath.The subway is a public place.__13__
NO
Zhao Xin，15，Beijing
I used to go to school by subway for a long time.Sometimes I felt so sleepy that I wanted to have some breakfast on the subway so I could save time and sleep in.__14__ Furthermore(此外)，if someone feels thirsty on the train，should he or she have to get off the train just to have a drink？__15__ I think food and drinks that have a strong smell should be banned，but others shouldn't.
A．This rule is really unfriendly to people like me.
B．I think people who eat on the subway are selfish(自私的)．
C．The smell of food and drinks can make other passengers unhappy.
D．I think people should be allowed to drink water.
E．We should wear clean clothes on the subway.
F．We should keep it clean and enjoyable.
11．C 12.B 13.F 14.A 15.D
Ⅲ.短文填词。(★★☆☆☆)
从方框中选择适当的单词并用其正确形式填空。每个词限用一次。
usual，hamburger，place，think，well，
they，like，interesting，between，wear
Do you like wearing the school uniform every day？In China，most of the school uniforms are __16__ sports clothes.They are really good for students to exercise，but there are no differences __17__ girls' and boys'! This makes students want to wear __18__ cool and beautiful clothes.
What do the students in other __19__ do with the uniform？They put importance on the socks.For example，some __20__ socks in different colors.A thirteen－year－old girl from Korea says it is a(n) __21__ way to make her special(特别的) in the boring uniform.Some __22__ use socks with different pictures on them.Milly，a student in Australia，likes eating best.So on her socks，we can see __23__，cakes or other food.
School uniforms are not so good，but they help students study __24__ and keep healthy.We need to wear them.Also，we can __25__ about some ways to make them more fashionable(时尚的) and make ourselves more different.
16．like 17.between 18.their 19.places 20.wear
21．interesting 22.usually 23.hamburgers
24．well/better 25.thinkUnit 4 Don't eat in class.
单元写作小专题
【单元写作目标】
本单元的话题为“规则”，围绕这一话题描述校规、家规等规则或其他规章制度。要求写作时能用祈使句和can，can't，have，have to，must等描述规则，能用形容词terrible，important，strict，relaxing，boring等表达对规则或规章制度的感受。
单元写作素材
(一)单元话题短语积累
1．对某人要求严格 be__strict__with__sb.
2．遵守规则 follow__the__rules
3．学习做某事 learn__to__do__sth.
4．打扫房间 clean__the__room
5．清洗餐具 do__the__dishes
6．过得愉快 have__fun
7．保持教室干净 keep__the__classroom__clean
8．留短发 keep__hair__short
9．太多规则 too__many__rules
10．在上学日的晚上 on__school__nights
(二)单元话题句子积累
11．你们的校规是什么？
What are the rules at your school
12．不要吵，且上课不要迟到。
Don't make noise，and don't be late for class.
13．不要在教室里听音乐。
Don't listen to music in the classroom.
14．他们制订规则来帮我们，因此我们必须遵守。
They make rules to help us，so we have to follow them.
15．在图书馆我们也得保持安静。
We also have to keep quiet in the library.
话题范文剖析
家有家规，校有校纪。请以“School Rules”为题写一篇英语短文，介绍一下你们学校的一些规章制度。
提示：
1．上课不能迟到；
2．要保持(keep)教室干净；
3．要向老师问好(say hello)；
4．不允许(allow)在教室里吃东西；
5．不允许在课堂上听音乐、玩游戏。
要求：60词左右；条理清晰，意思连贯，语句通顺，语法正确，书写规范。
思路点拨
组句成篇
School Rules
There are many rules in our school.For example，we can't arrive late for class.We should also keep the classroom clean.We should say hello to teachers when we see them.We are not allowed to eat in the classroom.We can't listen to music in class.We can't play games in class，either.I think these rules are good.They are good for us.What about your school rules
【小编特别提醒】同学们，在以上的佳作中你发现了哪些好词好句？你有没有更好的表达方式？快来和你的小伙伴们一起分享吧！
单元写作练笔
假如你是Jenny，你有很多家规。请根据所给提示内容给你的好朋友Susan发一封电子邮件，告诉她你的家规并谈谈你对这些家规的看法。
提示：
1．每天六点起床；
2．每天下午六点之前必须到家；
3．上学日的晚上不准看电视和玩电脑游戏；
4．周末必须打扫房间，不可以外出娱乐；
5．虽然父母对我要求严格，但我很快乐。
要求：
1．邮件须包括所有提示内容；
2．可适当发挥，60词左右。
Dear__Susan，
I__have__lots__of__rules__at__home.I__have__to__get__up__at__six__o'clock__every__morning.After__school，I__have__to__get__home__before__six__o'clock.I__have__much__homework__to__do__after__school.I__can't__watch__TV__or__play__computer__games__on__school__nights.On__weekends，I__have__to__clean__my__room__and__I__can't__go__out.My__parents__are__strict__with__me，but__I'm__very__happy.
Yours，
JennyUnit 4 Don't eat in class.
Section A(1a～1c)
01 基础过关
Ⅰ.根据句意及汉语提示填写单词。
1．The rules(规则) of the game are very easy.
2．Quickly，or we'll be late(迟到) for class.
3．Eric never fights(打架) with his brother.
4．Students in our school must eat in the dining hall(大厅)．
5．—Can I use your pencil
—Sorry(抱歉的)．I don't have one.
Ⅱ.用方框中所给单词或短语的适当形式填空。
listen to，eat，outside，arrive，hallway
6．It's very hot(热的) in the room.Let's go outside．
7．We must listen__to our teachers in class.
8．Don't run in the school hallways．
9．It's bad to__eat in the classroom.
10．My father usually arrives at his office at 7：10 a．m.
Ⅲ.根据汉语意思完成句子，每空一词。
11．明天请准时到达这里。
Please be here on time tomorrow.
12．不要在图书馆里讲话。
Don't talk in the library.
13．我们上课不能迟到。
We can't be/arrive late for class.
14．琳达睡觉前经常听音乐。
Linda often listens to music before going to bed.
15．他们必须在音乐室唱歌。
They must sing in the music room.
02 综合提升
Ⅳ.单项选择。
(A)16.—When do you arrive ________ your school every day
—________ eight o'clock.
A．at；At B．in；In
C．in；At D．at；In
(A)17.—I'm sorry，Mr.Smith.I got up late.
—________ next time.
A．Don't be late B．Keep quiet
C．No eating D．Be late
(D)18.—What's the first rule
—We must ________ on time for class.
A．am B．is
C．are D．be
(B)19.—Is Jerry good with his cousin Betty
—No，Jerry often ________ with her.
A．plays B．fights
C．talks D．dances
(B)20.—Can I listen to music here
—________.But you can listen to it in the hallways.
A．Yes，please B．No，you can't
C．No，you don't D．Yes，you can
Ⅴ.补全对话。
从方框中选择适当的选项补全对话(其中有一项是多余的)。
A：Hey，Dave.Do you know the rules
B：__21__ Can you tell me
A：__22__ You must be on time.
B：Can I eat in the classroom
A：No，you can't.__23__
B：Can I listen to music in class
A：__24__ But you can listen to it outside or in the music room.
B：What else
A：__25__ That makes the teachers really unhappy.
B：I see.Thank you.
A．But you can eat in the dining hall.
B．No，you can't.
C．Sorry，I don't know.
D．Don't fight with your classmates.
E．First，don't arrive late for class.
F．I like it very much.
21．C 22.E 23.A 24.B 25.DUnit 4 Don't eat in class.
Self Check
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____考点一__arrive的用法
例题：The plane from Beijing to Hainan arrives ________ Hainan ________five in the afternoon.
A．in；in B．at；in C．at；on D．in；at
【解析】答案：D。arrive作不及物动词，意为“到达”，接较大地点时用in，接较小地点时用at。句意：从北京到海南的飞机下午五点钟到达海南。故选D。
【变式训练】
(B)1.What time does your father ________ after work every day
A．get to home B．get home
C．arrive at home D．arrive in home
(A)2.—How do you usually ________ school，by bus or on foot
—Neither.I go to school by bike.
A．get to B．arrive
C．arrive in D．get
3．你通常几点到学校？(汉译英)
What time do you usually arrive at/get__to school
4．李明经常上课迟到。(汉译英)
Li Ming often arrives late for class.
5．妈妈每天下班后七点到家。(汉译英)
Mom arrives home at seven after work every day.
____考点二__dress，put__on，wear与be__in辨析________________________________________________________________________
例题：The boy always ________ his glasses.
A．wears B．puts on
C．dresses himself D．is dressed
【解析】答案：A。wear意为“穿着，戴着”，表示状态；put on意为“穿上”，表示穿的动作；dress意为“穿衣服”，后面常接sb./oneself。句意：那个男孩总是戴着眼镜。故选A。
【变式训练】
(C)1.(2020·湘西)Look! The girl________ red is helping an old man cross the road.
A．of B．on C．in
(C)2.(南充中考)—It's cold outside，Jimmy！You should ________your sweater.
—Thanks，Mom.
A．take off B．take in
C．put on D．put up
(B)3.My mother usually gets up and ________ at six in the morning.
A．puts on B．gets dressed
C．dress her D．wear
4．The little child is very young，but he dresses(穿衣服) himself every day.
____考点三__too__many与too__much辨析________________________________________________________________________
例题：There is ________ water on the ground.
A．too many B．too much
C．much too D．a lot
【解析】答案：B。too many意为“太多”，其后接可数名词的复数形式。too much意为“太多”，其后接不可数名词；还可作状语修饰动词。much too意为“太”，修饰形容词；a lot意为“许多”，可修饰动词。句意：地上有太多水。故选B。
【变式训练】
(A)1.Jim eats________meat，so he is ________heavy.
A．too much；much too
B．much too；too much
C．too many；much too
D．many too；too much
(A)2.He has ________ questions to ask you.
A．too many B．too much
C．much too D．many too
3．公共汽车上的人太多了。(汉译英)
There are too many people on the bus.
4．妈妈每天有太多的家务要做，她太累了。(汉译英)
Mom has too much housework to do every day.She is much too tired.
____考点四__remember的用法________________________________________________________________________
例题：Remember ________ the door when you leave the classroom.
A．close B．closing
C．to close D．closes
【解析】答案：C。remember to do sth.记住要做某事，表示此事还未做；remember doing sth.记得做了某事，强调该事已做。句意：当你离开教室的时候，记得关上门。故选C。
【变式训练】
(B)1.I remember________ you somewhere.
A．to see B．seeing
C．sees D．see
(B)2.Remember ________ your exercise book here this afternoon.
A．bring B．to bring
C．bringing D．brings
3．我记得你的名字。你叫苏珊，对吧？(汉译英)
I remember your name．You are Susan，right
4．彼得，明天是星期一。记住要穿校服。(汉译英)
Tomorrow is Monday，Peter.Remember to wear your school uniform.
5．我记得读过这本书，它非常有意思。(汉译英)
I remember reading this book.It's very interesting.Unit 4 Don't eat in class.（人教七年级）
Section B(2a～3c)
01 基础过关
Ⅰ.用方框中所给单词的适当形式填空。
terrible，dirty，follow，kitchen，remember
1．Mom is cooking lunch in the kitchen．
2．—How is your English test(测验)
—It's terrible．
3．Your room is very dirty．Go and clean it.
4．—Can you remember my telephone number
—Yes，I can.
5．Students have to follow the school rules.
Ⅱ.用括号内所给单词的适当形式填空。
6．Too many rules(rule) make Molly feel terrible.
7．Please don't be noisy(noise)．The baby is sleeping.
8．I have a relaxing(relax) weekend.
9．Parents and schools make rules to__help(help) students.
10．You can go home after you finish(finish) your homework.
11．We both have black hair(hair) and black eyes.
12．His six－year－old daughter wants to__learn(learn) to ride a bike.
13．We have to__keep(keep) our hair short at school.
14．Amy always helps her mother do the dishes(dish)．
15．Reading(read) is a good way to relax ourselves.
Ⅲ.根据汉语意思完成句子，每空一词。
16．我们必须遵守规则。
We must follow the rules．
17．这个周末我的妈妈想在家休息。
My mother wants to relax at home this weekend.
18．祝你好运！
Wish you good luck!
19．不要把你的脏衣服丢在床上。
Don't leave your dirty clothes on your bed.
20．你起床后必须整理床铺吗？
Do you have to make your/the bed after you get up
02 综合提升
Ⅳ.单项选择。
(B)21.There are ________rules at my home and ________homework at school.I can't stand (忍受) them.
A．too much；too many
B．too many；too much
C．too much；too much
D．too many；too many
(C)22.I just ________ my guitar at home.Can I use yours
A．forget B．practice
C．leave D．bring
(D)23.—I can't watch TV in the evening.How about you
—________.
A．I can，too B．I can，either
C．I can't，too D．I can't，either
(C)24.—You can only keep the books for two weeks，Tom.Remember ________them on time.
—I will.
A．return B．returning
C．to return D．returns
(C)25.My parents are very strict ________me ________my lessons.
A．at；in B．in；with
C．with；in D．in；at
Ⅴ.阅读理解。
A(★★☆☆☆)
How many rules do you have in your family
A reporter(记者)，Jeff，goes to Green Middle School and asks four students about their family rules.
On school days，Jack can't play computer games and he has to go to bed before nine o'clock.He must take a shower before going to bed.He has to clean the house on the weekend.
Jim has to get up at six o'clock every morning.He has to do his homework after school.He can't watch TV or play computer games on weekdays，either.
Sally can't talk loudly(大声地) at home.She has to listen to English before going to bed.She has to play the violin on Sundays.
Mike has to run in the morning.He can't eat junk food(垃圾食品)．He has to help his mom make dinner on the weekend.
(C)26.This text is about ________.
A．homework B．school classes
C．family rules D．school rules
(B)27.What does Jeff do
A．He is a teacher. B．He is a reporter.
C．He is a student. D．He is a driver.
(B)28.Who can't play computer games on weekdays
A．Jeff and Jack. B．Jim and Jack.
C．Sally and Jim. D．Sally and Mike.
(D)29.What does Sally have to do on Sundays
A．Clean the house.
B．Do her homework.
C．Make dinner.
D．Play the violin.
(D)30.Which of the following is TRUE
A．Sally plays the piano every Saturday.
B．Jim gets up at 6：30 every morning.
C．Jeff wants to know something about the students' rules at school.
D．Mike helps his mother make dinner on Saturday and Sunday.
阅读短文，并按要求完成任务。
B(★★☆☆☆)
Dear Mr.Green，
There are too many rules at my school and at my home.
At school，our teachers are too strict __①__ us.We must arrive at school on time.We can't eat in the classroom.We can't fight.We must listen to the teachers carefully.We must do our homework even on the weekend.We must hand in our exercise books on school days.We can't play ball games after class，even after school.Because our teachers think we need more time to __②__．
At home，I can't play computer games on school nights.③I__must__do__my__homework__first__after__school. I can't watch TV for too long because my parents think it is bad for my eyes.I can't do the things I want to do.My parents only let me do what they want me to do.I never have fun.What can I do
Yours，
Kate
31．请分别在文中画线①和②处填写一个恰当的单词。
①with ②study
32．请将文中③处画线句子译成汉语。
放学后我必须首先做我的家庭作业。
33．How many rules are there in Kate's school？(回答问题)
Seven./7.
34．What must Kate hand in on school days？(回答问题)
Her__exercise__books.
35．Why can't Kate watch TV for long？(回答问题)
Because__her__parents__think__it__is__bad__for__her__eyes.
Ⅵ.短文填词。(★★☆☆☆)
从方框中选择适当的单词并用其正确形式填空。每个词限用一次。
time，many，dish，rule，have，
either，after，wear，quiet，in
Tom is unhappy.He thinks he has too __36__ rules.He __37__ to get up at 6：00 every morning.He must make his bed __38__ getting up.Then，he has to cook the breakfast.After that，he has to do the __39__．He has to go to school on __40__．There are more(更多的) __41__ at school.He can't eat in class.He can't run __42__ the hallways.He must __43__ his school uniforms every day，and he has to be __44__ in the school library.What's more，he can't listen to music on school days and he can't watch TV on school nights，__45__．He must be back home before 12：00 in the morning and 9：20 in the evening.What a sad boy!
36．many 37.has 38.after 39.dishes 40.time 41.rules 42.in 43.wear 44.quiet 45.eitherUnit 4 Don't eat in class.
Section A(2a～2d)
01 基础过关
Ⅰ.根据句意及汉语或首字母提示填写单词。
1．It's cold outside(外面)．Please come into the room.
2．Remember to bring(带来) your math book here tomorrow.
3．Jack has to wear(穿着) his sports shoes in the P．E.class.
4．Keep quiet！Your grandfather is sleeping in the bedroom.
5．Our teacher says that it's very important for us to learn English well.
Ⅱ.用括号内所给单词的适当形式填空。
6．Don't__be(not be) late for class.
7．He has(have) to read English every morning.
8．Do you have to wear(wear) school uniforms every day
9．Tony doesn't__have(not have) to go to school every day.
10．Please be(be) quiet in the library.
Ⅲ.用方框中所给短语的适当形式填空。
listen to，have to，on time，fight with，a lot of
11．I think every student needs to get to school on__time．
12．Alice sometimes listens__to music after class.
13．Lucy has__to finish her homework after school.
14．A__lot__of boys like playing basketball after school.
15．John is a good student.He never fights__with his classmates at school.
Ⅳ.根据汉语意思完成句子，每空一词。
16．我必须准时到校吗？
Must I arrive at school on time
17．你在学校必须穿校服吗？
Do you have to wear a uniform at school
18．不要每天吃汉堡。
Don't eat/have hamburgers every day.
19．我通常在学校餐厅吃午餐。
I usually have lunch in the school dining hall．
20．请把你的音乐播放器带给我。
Please bring your music player to me.
02 综合提升
Ⅴ.单项选择。
(B)21.Tom，________ play basketball in the street next time.You may get hit by a car.
A．do B．don't
C．must D．mustn't
(D)22.Which of the following signs means “No Photos”？
A. B.
C. D.
(A)23.Nancy can't come to your party because she ________ do her homework.
A．has to B．can't
C．doesn't have to D．can
(A)24.It's ________ for students to listen to their teachers carefully in the class.
A．important B．quiet
C．sorry D．afraid
(D)25.—________？
—We have to stay at home.
A．What can you do
B．What can I do for you
C．What do you like to do
D．What do you have to do
Ⅵ.补全对话。
在横线上填写恰当的句子补全对话，使对话完整、通顺。
A：Hi，I'm Bob.26.It's__my__first__day__at__school/I'm__new__here．
B：Hi，I'm Jack.Welcome to our school.Our school is nice.27.But__there__are__lots__of__rules．
A：Really？What are the rules
B：28.Don't__run__in__the__hallways．
A：That's right.It's dangerous(危险的) to run in the hallways.Can we wear hats in school
B：29.Yes，we__can．I usually wear my blue hat.
A：What about other rules
B：30.Don't__fight．
A：Oh，I never fight.
Ⅶ.综合填空。(★★☆☆☆)
阅读下面短文，在空白处填入一个适当的单词或括号内单词的正确形式。
Dear students，
Here is something you should know.These __31__(rule) are for students in our school.Please read them carefully(仔细地)．
◆Don't arrive late __32__ school.
◆Wear school uniforms every day.
◆You can't have food __33__ drinks out of the dining hall.
◆Don't __34__(fight) with other students.
◆You must __35__ (keep) quiet in the library.
◆Don't listen to music in the classroom!
31．rules 32.for 33.or 34.fight 35.keepUnit 4 Don't eat in class.
单元语法小专题(Grammar Focus～3c)
一、祈使句的用法
二、must与have to辨析
??考向一：祈使句的构成
典型例题：(2020·营口)—________the dishes after dinner，Tony.
—No problem，Mom.
A．Washing B．Washes
C．To wash D．Wash
解析：答案：D。句意：——托尼，晚餐后你洗碗吧。——没问题，妈妈。该句是祈使句，因此以动词原形开头。故选D。
??考向二：Let＋宾语＋not＋动词原形＋其他
典型例题：Let him ________ play in the street.
A．don't B．doesn't
C．not D．to
解析：答案：C。句意：不要让他在街上玩耍。let him not play和don't let him play这两种表达都是let型祈使句的否定形式。故选C。
??考向三：must与have__to辨析
典型例题：You ________ cross the street when the traffic lights are red.
A．needn't B．don't have to
C．mustn't D．could
解析：答案：C。句意：当交通指示灯是红色时，你不可以过马路。needn't 不需要；don't have to不必；mustn't不准；could可以。故选C。
Ⅰ.用括号内所给单词的适当形式填空。
1．Do(do) your homework right now(立刻)．
2．Please be(be) quiet in the room.
3．Don't__let(not let) the dog come in.
4．No swimming(swim)!
5．They have to__do(do) their homework when they get home.
Ⅱ.单项选择。
(B)6.(2020·绥化)________walk on the grass.
A．Doesn't B．Don't C．Not
(B)7.—________ dressed now！We have to go in ten minutes.
—OK，Mom.
A．Getting B．Get
C．To get D．Gets
(B)8.(2020·淮安)You ________ smoke(抽烟) here! Look at the sign(标志)．It says “No smoking”．
A．needn't B．mustn't
C．can D．may
(B)9.(2020·龙东)—Mum，________I do my homework tonight
—No，you ________.But you must finish it before Sunday.
A．need；mustn't B．must；needn't
C．must；mustn't
(B)10.Annie's bike is broken，so she ________ walk to school.
A．have to B．has to
C．need to D．having to
