四．Translate the following sentences into English.1. 你不能去人多的公共场所。
2. 建议外出戴口罩。
3. 如果你发烧，必须立刻看医生。
4. 保持手卫生，否则你会有危险5. 应该尽量呆在家。
如果可以的话，你可以看视频学习。
1. You mustn’t go to the crowed public areas.2. You should wear a face mask when going out.3. If you are having a fever, you must go to see a doctor at once.4. Keep your hands clean or you may be in danger.5. You should stay at home as mush as possible. If you can ,you can watch some study videos.Ⅰ.单句填空用must，can，may，might，shall，should，needn't，mustn't填空1．—Will you read me a story，Mummy?—OK.You ________have one if you go to bed as soon as possible.2．—Shall I inform him of the change of the schedule right now?—I am afraid you ________，in case he comes late for the meeting.3．If you ________go，at least wait until the storm is over.4．—No one ________be compared with Yao Ming in playing basketball.—Oh，you are really h is big fan.5．It ________be the postman at the door.It's only six o'clock.6．I ________worry about my weekend—I always have my plans ready before it comes.7．Just be patient.You ________expect the world to change so soon.8．—May I take this book out of the reading room?—No，you ________.You read it in here.9．You ________park here！It's an emergency exit.10．I can't leave.She told me that I ________stay here until she comes back. 11．—I don't really like James.Why did you invite him?—Don't worry.He ________not come.He said he wasn't certain what his plans were.12．—I left my handbag on the train，but luckily someone gave it to a railway official.—How unbelievable to get it back！I mean，someone ________have stolen it. 13．—Good morning.I've got an appointment with Miss Smith in the Personnel Department.—Ah，good morning.You ________be Mrs.Peters.14．I'm afraid Mr.Harding ________see you now.He's busy.15．It ________have been Tom that parked the car here，as he is the only one with a car.16．Some people who don't like to talk much are not necessarily shy；they ________just be quiet people.17．The traffic is heavy this day；I ________arrive a bit late，so could you save me a place?18．What do you mean，there are only ten tickets？There ________be twelve. 19．—Hi，Tom.Any idea where Jane is?—She ________be in the classroom.I saw her there just now.20．It is usually warm in my hometown in March，but it ________be rather cold sometimes.答案 1.shall 2.must 3.must 4.can 5.can't6．needn't7.can't8.mustn't9.mustn't10．must11.may/might12.might/could13.must14.can't15.must16.may17.might18．should19.must20.canⅡ.语篇填空，在空格处填入适当的情态动词，使上下文意义通顺Despite the fact that you __1__wear school uniform every day，you __2__still find yourself a place at the cutting edge(领先地位)of fashion.From coloured shoelaces to special snacks (零食)，this is what the cool kids in your class believe in for the summer.It __3__not be practical for you to have a new pair of shoes every day，but moving from one colour shoelaces to another __4__show your desire for a new look.Bright colours—red，green，light gold，pink，purple，are the top choices.There are also sports laces that come in colour combinations，such as red/white and red/black.You __5__even try to lace up your sports shoes in two colours!Has changing cell phone accessories(小挂件)become part of your life？Although you __6__not be able to afford the most advanced phone，you __7__still decorate it.Girls __8__prefer fluffy(毛茸茸的)Teddy Bears that change colour according to the temperature，while many boys like taking accessories that say things such as “The teacher is coming.”Try sticking photos(大头照)．They are cheap，convenient and __9__be carried around in your wallet.You __10__even choose special backgrounds of cartoon figures to show your individuality(个性)．答案 1.have to 2.can 3.may 4.can/will 5.can/may6.may7.can8.may9.can 10.can/may情态动词练习题一．写出句子中情态动词的意思1--Can I go now?（可以）2.--Look! Someone is coming! Who can it be?（可能）3..It can’t be him. He has gone to Paris.（不可能）4.He could be here soon. （可能）5.How can you be so foolish?（可以）6.They can’t be working at this time of day. （不可能）7.Coul d you speak English then?（可以）8.Coul d [Can] I use your pen? ”“Yes, of course you can.”/ No, I’m afraid not. （可以）9.We could go there this summer.（可能）10.You could be right, but I don’t think you are. （可能）11.He can’t [couldn’t] have seen her there. （不可能）12.He could have gone home.（可能）13.He could have told her, but he didn’t choose to. （可能）14. ---May/Might I watch TV after supper?（可以）---Yes, you may./ Yes, pl ease./ Certainly.（可以）---No, you mustn't. / No, you may not. / No, you can’t./No, you’d better not.（不可以）15.May you succeed!/May you all be happy. （祝愿）16.Everybody must obey the rules../You mustn’t lend it to others./You mustn’t speak like that to your mother.（必须必须）17.--- Must I go now? （必须）--- Yes, you must. （必须）---No, you needn’t.（不必）18.You must be hungry after the l ong walk. / It can't be Jim, for he has gone to Beijing.（一定）（不可能）19.The Chinese language must have the large number of speakers.（必定)20.Tom buys a lot of appl es ,he must like eating them, d oesn't he？( 必定，一定)。