資源簡介 / 讓學習更有效 新課備課備考 | 英語學科/ 讓學習更有效 新課備課備考 | 英語學科2025年牛津譯林版九年級英語上冊精講精練Unit 3 Teenage problems核心語法:情態(tài)動詞(should、could和might)一、核心概念情態(tài)動詞(Modal Verbs)表示說話人的態(tài)度、推測或可能性,后接動詞原形。本單元重點掌握should、could、might的用法。二、三大情態(tài)動詞深度解析1. should 的用法功能 例句 注意事項義務(wù)/責任 You should finish homework on time. 比must語氣溫和建議 You should see a doctor. 可與ought to互換推測 They should arrive by 5pm. 表示較大可能性虛擬語氣 Should you need help, call me. 倒裝表條件2. could 的用法功能 例句 注意事項過去能力 I could swim at age 5. 相當于was able to委婉請求 Could you pass me the salt 比can更禮貌可能性 It could rain tomorrow. 可能性低于may虛擬語氣 If I had time, I could help. 表非真實情況3. might 的用法功能 例句 注意事項較小可能性 She might come later. 可能性低于may委婉許可 Might I borrow your pen 極正式場合使用虛擬語氣 If you tried, you might succeed. 表假設(shè)結(jié)果三、易混淆點對比1. should vs. could vs. might 表示可能性情態(tài)動詞 可能性程度 例句should 80%可能性 The package should arrive today.could 50%可能性 The weather could get worse.might 30%可能性 He might forget the meeting.2. could的兩種時態(tài)功能過去時:表示過去能力(=was/were able to)When young, I could climb trees.現(xiàn)在時:表示委婉請求或可能性Could you do me a favor 四、特殊句型結(jié)構(gòu)1. should have done 結(jié)構(gòu)表示"本應該做而未做":You should have told me earlier.(你本應該早點告訴我)2. could/might have done 結(jié)構(gòu)表示"過去可能發(fā)生但未發(fā)生":She could have passed the exam if she had studied.3. 疑問句中的情態(tài)動詞Should I wear formal clothes (需要穿正裝嗎?)Might I ask a question (我可以提問嗎?)五、常見錯誤及糾正1. should與must混淆 You must apologize.(語氣過強) You should apologize.(建議性語氣)2. could表示過去能力的誤用 Yesterday I could finish the work.(未完成) Yesterday I was able to finish the work.3. might的過度使用 Might you help me (過于正式) Could you help me (日常用語)1.—________ I borrow some books from you —Of course.A.Could B.Can C.A or B2.My little sister ________ ride bikes at the age of four.A.should B.couldC.had to D.need3.— Could I keep the windows ________ There are too many people in the room.— Of course you ________. It is important to let the fresh air in.A.open; could B.closed; can C.open; can D.closed; could4.—Excuse me, ________ you show me the way to the Jiajia Hotel —Sorry, I am new here.A.should B.must C.could D.may5.—David, ________ you please sweep the floor and take out the trash —OK, Mum.A.could B.may C.should D.must6.—________ I speak to Teng Fei —Sorry, he’s not in.A.Could B.Must C.Should7.Eating too much salt or sugar ________ cause illness.A.should B.must C.might D.have to8.—________ you take care of my cat I’m going on a business trip.—Of course. I love cats.A.Could B.Should C.Must D.Need9.—________ I borrow your knives —Sorry, you ________. I lent them to Sandy.A.May; can B.Can; could C.Could; can’t D.Could; couldn’t10.—Could I borrow your pen —Sorry, you _______. Mike is using it.A.can’t B.shouldn’t C.mustn’t D.needn’t11.________ you open the door for me I am carrying too many things.A.Must B.May C.Need D.Could12.—I don’t care what people think.—Well, you __________. You’re not alone in this world.A.can B.may C.should D.will13.— Is the woman over there our new English teacher —Well, she ________ be, but I’m not quite sure.A.must B.might C.can D.need14.—________ I play soccer after finishing my homework —Of course.A.Could B.Must C.Need D.Will15.Earthquakes can be very dangerous. We ________ learn to protect ourselves.A.might B.should C.could D.would16.—I have a toothache.—Maybe you ________ see a dentist.A.shouldn’t B.needn’t C.would D.should17.Mike ______ want to go with me, but I'm not sure.A.might B.must C.can D.can't18.I_________ go to America to visit you if I have free time next year.A.might B.need C.might not D.needn’t19.—I’ve got a toothache, Mum.—Oh, you ________ eat too many sweet snacks.A.shouldn’t B.needn’t C.should D.need20.—Shall we go now —No. Mr. Henderson said that all of us _________ remain in our seats until all the reports have been collected.A.could B.might C.would D.should21.You should ________ more water when you have a fever.A.drinks B.drinking C.drinked D.drink22.—How is your tour around the lake Is it beautiful —It ________ be, but it is now seriously polluted.A.should B.might C.must D.can23.—Whose English book is this —It _______ be Lily’s, but I’m not sure.A.might B.can’t C.must24.— What do you plan to do this winter holiday, Betty — I’m not sure, but I ________ go to the museum.A.might B.must C.can D.mustn’t25.I want ________ the house. Could you ________ me A.clean; help B.to clean; help C.to clean; to D.cleaning; to help26.—Excuse me, but we ________ wait in line to get on the subway.—I’m sorry.A.might B.would C.could D.should27.—______ you send (郵寄) the letter for me —OK.A.Could B.Must C.May D.Should28.—What will the weather be like tomorrow —It be rainy, cloudy or sunny. I’m not sure.A.must B.should C.can’t D.might29.We ________ keep quiet in the hospital. It’s one of the hospital rules.A.should B.may C.can D.would30.We shouldn’t always talk about the problem. We should ________ at once.A.look out B.take action C.wait for D.a(chǎn)ctions31.—I have a stomachache. What should I do —You ________ drink cold water and ________ eat cold food.A.had better not; shouldn’t B.should; had better C.shouldn’t; should32.A country has dreams. We teenagers ________ also have dreams. With dreams and hard work, anything amazing can be created.A.may B.must C.should33.Could you please ________ all the food A.to eat B.not to eat C.not eat D.not eating34.—Some people don’t show their talents (天賦) at the very beginning.—Exactly. Even Einstein _________ speak until he was three.A.mustn’t B.can’t C.couldn’t D.needn’t35.To keep children safe, we put the things like knives and medicine away in our house.A.may B.should C.can36.It’s cold. You ________ put on your sweater before going out.A.should B.can C.may D.would37.During the Tang dynasty (唐朝), nearly everything produced in the world ________ on the streets of Chang’an.A.is found B.has been found C.will be found D.could be found38.You ________ play football in the classroom.A.mustn’t B.should C.must D.shouldn’t39.—David, _________ you please sweep the floor and take out the rubbish —OK, I am coming.A.could B.should C.do D.will40.—Must I hand in my book report today, Mr Brown —No, you _________ . The book report is due in two weeks.A.can’t B.mustn’t C.shouldn’t D.needn’t41.—When Monday I’m afraid Monday ________ be a problem for me.—But why I know you are free on Monday.A.need B.needn’t C.might not D.might42.—________ I use your dictionary —Yes, of course you ________.A.Could; must B.Could; can C.Need; could43.—Jack, could you please help me take out the trash —Sorry, ________, mom. I ________ my homework now.A.couldn’t, am doing B.can’t, am doing C.can’t, do44.Bob ________ play basketball at all two years ago, but now he ________ do it well.A.could; can’t B.could; can C.couldn’t; can’t D.couldn’t; can45.It’s necessary that we ________ wear sports shoes when we have P.E. classes.A.will B.may C.should D.can46.—His father is a good cooker.—That ________ be cook.A.may B.should C.must D.had better47.—Listen! Is Bruce singing in the class —It ________ be him. But I’m not sure.A.need B.couldC.must D.would48.You are not allowed to play with fire in the forest. It ________kill plants, animals and even people.A.might B.might not C.should D.should not49.To make our dream come true, we ________ rest on what we have done.A.may not B.should not C.need not D.could not50.We ________ try our best to fight against pollution.A.should B.may C.mustn’t D.needn’t51.—Excuse me, ________ you please tell me where I can post a letter —________. Turn left. There is a post office on Fifth Road.A.could; Sure B.could; Sorry C.will; Sounds great D.will; Good idea52.—Why didn’t you come to the meeting yesterday —I ________ come because I was sick.A.may not B.mustn’t C.couldn’t D.shouldn’t53.The boy ________ ride a horse when he was eight years old.A.must B.could C.would D.may54.When our parents become too old to take care of themselves one day, we ________ look after them well.A.should B.shouldn’t C.may D.may not55.—Many people play with mobile phones all day instead of reading books.—That’s too bad. Everyone ________ be a book lover. Reading is more enjoyable.A.may B.should C.would D.need56.—________ you please help me look for my English book I can’t find it anywhere.—With pleasure.A.Should B.MustC.Might D.Could57.It’s already half past seven. You ______ get up quickly.A.could B.should C.won’t D.shouldn’t58.We __________ carry forward the spirit of serving the people whole-heartedly.A.might B.should C.could D.can’t59.Sara _________ a stomachache. So she _________ eat the ice-cream.A.has; shouldn’t B.has; should C.have; shouldn’t60.—Could you please buy some drinks and snacks —________. I don’t have any money.A.No, I couldn’t B.Sorry, I can’t C.Yes, sure D.No way61.You ________ ask your friends for help if you don’t know how to work out the math problem.A.could B.wouldC.must D.might62.—I didn’t wear enough warm clothes yesterday. Now I have a cold.—I’m sorry to hear that. I think you _______ lie down and rest.A.mustn’t B.should C.shouldn’t D.would63.—________ Alice dance the disco two years ago —No, she ________. But now she ________.A.Can; can’t; could B.Could; couldn’t; can C.Could; couldn’t; could D.Can; couldn’t; can64.I ________ buy the recorder because I had no money with me then.A.can B.cannot C.could D.couldn’t65.Mario, you ________copy others’ homework. It’s not good for your study.A.needn’t B.shouldn’t C.must D.can66.You ________ clean the blackboard because you are on duty.A.must B.should C.can D.may67.—I have problems with my English writing. What ________ I do —You can start with learning simple sentences (句子).A.should B.must C.might D.would68.—What will the weather be like tomorrow —It ________ be windy or rainy. It always changes quickly.A.must B.might C.can’t D.shouldn’t69.—Jessica, it’s raining hard outside.—Oh, you ______ be careful when you drive to work.A.should B.will C.can D.might70.Could you ________ the window I feel a little cold.A.please not to open B.please not openC.not please to open D.not please to close71.—What are you going to do this weekend, Xiaoming —I’m not sure. I ________ visit my grandparents in the countryside.A.must B.shouldC.might D.will72.—Whose notebook is this —It ________ be Alan’s. It looks like his.A.must B.can’t C.might D.mustn’t73.—Mum, I want some snacks, not the sandwich!—My dear, don’t forget that you ________ fall ill without eating much unhealthy food last week.A.may B.must C.couldn’t D.shouldn’t74.—Lily is intelligent and hard-working, she ________ do well in the singing competition.—Sure. She was born to be a singer.A.should B.might C.can’t75.—How was the youth club last night, Simon —It was great fun. You ________ come.A.should B.can C.must D.ought/ 讓學習更有效 新課備課備考 | 英語學科/ 讓學習更有效 新課備課備考 | 英語學科21世紀教育網(wǎng)(www.21cnjy.com)21世紀教育網(wǎng)(www.21cnjy.com)參考答案及試題解析1.C【解析】句意:——我可以向你借幾本書嗎?——當然。考查情態(tài)動詞。could能;can能。根據(jù)題干可知,此處是表示請求允許,用could和can都可以,故選C。2.B【解析】句意:我妹妹四歲的時候會騎自行車。考查情態(tài)動詞辨析;should應該;could能夠;had to不得不;need需要。根據(jù)“My little sister...ride bikes at the age of four.”可知,此處是對能力的描述,could符合題意。故選B。3.C【解析】句意:——我可以把窗戶開著嗎?房間里人太多了。——當然可以。讓新鮮空氣進來很重要。考查形容詞作賓補和情態(tài)動詞。open開著的;closed關(guān)著的;can能,可以;could是can的過去式。根據(jù)句意“It is important to let the fresh air in”可知,這里是讓窗戶開著,排除B和D;could用來表示語氣委婉,答語中用can。故選C。4.C【解析】句意:——打擾一下,您能告訴我到佳佳酒店的路嗎?——抱歉,我是新來的。考查情態(tài)動詞的用法。should應該;must必須;could能夠,常用于禮貌地請求幫助;may可能。根據(jù)語境,此處是禮貌地請求對方幫助,故選用could。故選C。5.A【解析】句意:——戴維,請你掃下地,把垃圾倒出去好嗎?——好的,媽媽。考查情態(tài)動詞辨析。could可以,和please連用表委婉語氣;may可以;should應該;must必須。根據(jù)題干“…you please sweep the floor and take out the trash”,可知是請求允許,需用“Could you please…”表委婉語氣,故選A。6.A【解析】句意:——我可以和滕飛說話嗎?——抱歉,他不在。考查情態(tài)動詞辨析。Could可以;Must必須;Should應該。根據(jù)“...I speak to Teng Fei ”可知,此處考查打電話用語:Could I speak to... “我可以和……說話嗎?”。故選A。7.C【解析】句意:吃太多的鹽或糖可能會導致疾病。考查情態(tài)動詞。should應該;must必須(主觀);might可以;have to不得不(客觀);根據(jù)“吃太多的鹽或糖”與“導致疾病”,可推測出應用“可能”,所以此處用 might,符合題意。故選C。8.A【解析】句意:——你能照顧我的貓嗎?我要出差了?!斎豢梢?。我喜歡貓。考查情態(tài)動詞。Could能,可以;Should應該;Must必須;Need需要。根據(jù)“you take care of my cat I’m going on a business trip.”可知,此處表示委婉的請求,用Could。故選A。9.C【解析】句意:——我可以跟你借刀子嗎?——抱歉,你借不了。我把它們借給桑迪了。考查動詞辨析。May可以;Can可以;Could可以;can’t不可以;couldn’t不可以。根據(jù)“…I borrow your knives ”可知此處表示請求許可,可用may或could比can更加委婉客氣,其肯定回答用may或can,否定回答用can’t;根據(jù)“Sorry”可知此處應為否定回答,用can’t。故選C。10.A【解析】句意:——我可以借你的筆嗎?——對不起,你不能。Mike正在用。考查一般疑問句的回答。“Could I borrow your pen ”表示委婉的請求,回答時用can來回答,肯定回答用can,否定回答用can’t,根據(jù)“Mike is using it.”可知,是不能借,因此作否定回答。故選A。11.D【解析】句意:你能幫我把門打開嗎?我拿了太多東西。考查情態(tài)動詞。Must必須;May可以;Need需要;Could能夠。表示請求時一般用“Could you … ” Could意為 “能夠”,表示婉轉(zhuǎn)的請求。故選D。12.C【解析】句意:——我不在意人們的看法?!?,你應該在意。在這個世界上你不是孤立的人。考查情態(tài)動詞。can能;may可以,也許;should應該;will將。根據(jù)“You’re not alone in this world”可知句子表達建議他“應該在意人們的看法”,用情態(tài)動詞should。故選C。13.B【解析】——那里的那個女人是我們的新英語老師嗎? ——好吧,她可能是,但是我不是很確定。考查情態(tài)動詞辨析。must 一定,必須;might可能;can可以,會;need需要。根據(jù)“but I’m not quite sure”可知,此處表示不確定,might可能符合題意。故選B。14.A【解析】句意:——完成家庭作業(yè)之后,我可以踢足球嗎?——當然。考查情態(tài)動詞。Could可以,表委婉禮貌的請求;Must必須;Need需要;Will將要。根據(jù)語境和“Of course”可知,問句表示請求。故選A。15.B【解析】句意:地震可能非常危險。我們應該學會保護自己。考查情態(tài)動詞。might可能;should應該;could能;would將。根據(jù)“We...learn to protect ourselves.”可知此處是表示建議,我們應該學會保護自己,故選B。16.D【解析】句意:——我牙疼?!苍S你應該去看牙醫(yī)。考查情態(tài)動詞辨析。shouldn’t不應該;needn’t不必要;would將會;should應該。根據(jù)“I have a toothache.”和“Maybe you ...see a dentist.”可知,此處表示你應該去看牙醫(yī),should表示建議。故選D。17.A【解析】句意:邁克可能想和我一起去,但是我不確定。考查情態(tài)動詞。might可能;must必須;can能夠;can’t不能,不可能。根據(jù)“but I'm not sure”可知表述不確定的推測,用might表述可能性。故選A。18.A【解析】句意:如果明年我有時間,我可能會去美國看你。考查情態(tài)動詞。might可能;need需要;might not可能不;needn’t不必。根據(jù)“if I have free time next year”可知有時間的話可能回去,用might表示不確定的肯定推測。故選A。19.A【解析】句意:——我牙痛,媽媽?!叮悴粦摮蕴嗵鹗场?br/>考查情態(tài)動詞。shouldn’t不應該;needn’t不必;should應該;need需要。根據(jù)“I’ve got a toothache, Mum.”可知吃太多甜食引發(fā)了牙痛,不應該吃太多。故選A。20.D【解析】句意:——我們現(xiàn)在能走了嗎?——不。Henderson先生說在所有的報告收集完畢之前,我們都應該留在座位上。考查情態(tài)動詞。could可以;might可能;would會;should應該。根據(jù)“Mr. Henderson said that all of us…remain in our seats until all the reports have been collected.”可知,此處是應該留在座位上,應用should。故選D。21.D【解析】句意:你發(fā)燒時應該多喝水。考查情態(tài)動詞should的用法。should “應該”,是情態(tài)動詞,后面接動詞原形。故選D。22.A【解析】句意:——你的環(huán)湖之旅怎么樣?它漂亮嗎?——它應該是(漂亮的),但現(xiàn)在它被嚴重污染。考查情態(tài)動詞辨析。should應該;might可能;must一定;can能。根據(jù)“but it is now seriously polluted.”可知,它應該是美麗的。故選A。23.A【解析】句意:——這是誰的英語書?——可能是莉莉的,但我不確定。考查情態(tài)動詞。might可能;can’t不可能;must一定;結(jié)合“but I’m not sure.”可知,此處是一種不確定的推測,應用might,故選A。24.A【解析】句意:——貝蒂,這個寒假你打算做什么?——我不確定,但是我可能去博物館。考查情態(tài)動詞。might可能;must必須;can能;mustn’t禁止。根據(jù)“I’m not sure”可知,空處表示不確定推測,所以用might,故選A。25.B【解析】句意:我想打掃房子。你能幫助我嗎?考查不定式以及情態(tài)動詞could的用法。第一空考查固定短語want to do sth.“想要做某事”,空處要填不定式to clean,排除A、D;第二空應填動詞,且情態(tài)動詞Could后的動詞要用原形,排除C。故選B。26.D【解析】句意:——對不起,我們應該排隊上地鐵?!液鼙?。考查情態(tài)動詞辨析。might可以;would將;could可以;should應該。根據(jù)“but we …wait in line to get on the subway”可知,應該排隊上地鐵,故選D。27.A【解析】句意:——你能把信郵寄給我嗎?——好的。考查情態(tài)動詞。could能;must必須;may可能;should應該。根據(jù)“you send (郵寄) the letter for me”可知此處是請求允許,用結(jié)構(gòu)could you do sth.“你能做某事嗎”。故選A。28.D【解析】句意:——明天天氣怎么樣?——可能是下雨,多云或晴天。我不確定。考查情態(tài)動詞。must必須;should應該;can’t不能;might可能。根據(jù)“I’m not sure”可知,不太確定,可能是下雨,也可能是多云或晴天,故選D。29.A【解析】句意:我們在醫(yī)院應該保持安靜。這是醫(yī)院的規(guī)則之一。考查情態(tài)動詞。should應該;may可能;can能夠;would將。根據(jù)“It’s one of the hospital rules.”可知,我們應該遵守醫(yī)院的規(guī)則,故選A。30.B【解析】句意:我們不應該總是談?wù)搯栴}。我們應該立刻行動。考查動詞短語辨析。look out當心;take action采取行動;wait for等待;actions行動,名詞。根據(jù)“We shouldn’t always talk about the problem.”可知應是不能只是討論問題,而應該付諸行動,而should“應該”情態(tài)動詞,后續(xù)動詞原形,故選B。31.A【解析】句意:——我胃疼。我應該做什么?——你最好不要喝冷水,并且不應該吃涼的食物。考查情態(tài)動詞。had better最好;should應該。根據(jù)“I have a stomachache.”以及常識可知,胃疼不能喝冷水也不能吃涼的食物,因此第一空和第二空都應該填否定意義的詞,had better not“最好不”,shouldn’t“不應該”,只有A符合語境。故選A。32.C【解析】句意:一個國家有夢想。我們青少年也應該有夢想。有了夢想并努力工作,我們可以創(chuàng)造任何驚人的事情。考查情態(tài)動詞辨析。may可能;must必須;should應該。根據(jù)“A country has dreams.”可知,此處指國家有夢想,那么青少年也應該有夢想。故選C。33.C【解析】句意:你能不能不要把食物都吃了?考查固定句式。Could you please not do sth 表示“你可以不要做某事嗎”,故選C。34.C【解析】句意:——一些人在最初的時候沒有展示出他們的天賦?!侨绱?。甚至愛因斯坦也是直到3歲才會說話。考查情態(tài)動詞辨析。mustn’t禁止;can’t表示現(xiàn)在不能;couldn’t表示過去不能;needn’t不必。根據(jù)“Even Einstein…speak until he was three.”可知,此處指的是他三歲的時候不會說話,用過去式couldn’t,故選C。35.B【解析】句意:為了保護孩子們的安全,我們應該把刀和藥之類的東西在家里收拾好。考查情態(tài)動詞辨析。may可以;should應該;can能夠;根據(jù)“To keep children safe”可知是保護孩子們安全,可推測出此處是一種責任,應用should,故選B。36.A【解析】句意:天氣很冷。你應該在外出去前穿上毛衣。考查情態(tài)動詞辨析。should 應該;can 能夠;may 可能;would 將會。根據(jù)“It’s cold.”可知,此處是因為天冷,故建議穿上毛衣。故選A。37.D【解析】句意:在唐朝,在長安的街道上幾乎可以找到世界上所有的東西。考查時態(tài)和語態(tài)。主語“nearly everything produced in the world”與動詞find之間是動賓關(guān)系,此處表示能夠被找到,結(jié)合“During the Tang dynasty”可知用過去式could表示“能夠”,此處是含情態(tài)動詞的被動語態(tài),用could be found。故選D。38.D【解析】句意:你不應該在教室里踢足球。考查情態(tài)動詞的用法。mustn’t禁止,不準;should應該;must必須;shouldn’t不應該。根據(jù)“You...play football in the classroom.”可知,此處勸告對方不該在教室里踢足球,而非強制禁止。故選D。39.A【解析】句意:——大衛(wèi),你能掃掃地,倒倒垃圾嗎?——好的,我來了。考查情態(tài)動詞的用法。could能;should應該;do做;will將。根據(jù)“you please sweep the floor and take out the rubbish”可知,這是一個表示請求允許的句子,用固定句式“could you please do sth”。故選A。40.D【解析】句意:——我必須在今天上交讀書報告嗎,布朗老師?——不,你不必。考查情態(tài)動詞辨析。can’t不能;mustn’t禁止;shouldn’t不應當;needn’t不必?;卮鹨詍ust 開頭的一般疑問句時,否定回答常用needn’t,表示不必。故選D。41.D【解析】句意:——什么時候?星期一?恐怕星期一對我來說可能是個問題?!菫槭裁??我知道你星期一有空。考查情態(tài)動詞。need需要;needn’t不需要;might not可能不;might可能。根據(jù)“I’m afraid Monday...be a problem for me.”可知,此處指恐怕星期一可能沒空,故用might。故選D。42.B【解析】句意:——我可以用一下你的字典嗎?——是的,當然可以。考查情態(tài)動詞。could可以;must必須;can可以;need需要?!癈ould I... ”是一種比較委婉、客氣的請求句式,比“Can I... ”更有禮貌、更委婉的語氣,用來詢問“我可以……嗎?”;當用“Could I... ” 來提問表示請求時,肯定回答常用“Yes, you can.”,表示許可。故選B。43.B【解析】句意:——杰克,你能幫我倒垃圾嗎?——對不起,我不能,媽媽。我現(xiàn)在正在做作業(yè)。考查情態(tài)動詞及動詞時態(tài)。對“could you please…”的肯定回答是Yes, I can,否定回答是Sorry, I can’t。根據(jù)“now”可知,“我”現(xiàn)在正在做作業(yè),應為現(xiàn)在進行時。故選B。44.D【解析】句意:兩年前鮑勃一點也不會打籃球,但是現(xiàn)在他能打得很好。考查情態(tài)動詞。could可能,是can的過去式;couldn’t不可能,是can’t的過去式;can能;can’t不可能。not…at all“一點也不”,第一空根據(jù)“two years ago”可知,此處用一般過去時,因此用couldn’t;第二空根據(jù)“now”可知,此處用一般現(xiàn)在時,連詞but前后表示轉(zhuǎn)折關(guān)系,but前表示他不會打籃球,but后表示他打得非常好,因此用情態(tài)動詞can,故選D。45.C【解析】句意:我們上體育課時穿運動鞋是有必要的。考查動詞辨析。will會;may也許,可能;should應該;can能。根據(jù)“we…wear sports shoes when we have P.E. classes”可知,此處表示“應該穿運動鞋”,故選C。46.B【解析】句意:——他的父親是一個好廚具。——那應該是廚師。考查情態(tài)動詞辨析。may也許;should應該;must必須;had better最好。根據(jù)“His father is a good cooker.”可知,此處表達有誤,應說“應該是廚師”,用should。故選B。47.B【解析】句意:——聽著!布魯斯正在班上唱歌嗎?——可能是他。但我不確定。考查情態(tài)動詞表推測。need需要;could可能;must一定;would愿意,將要。根據(jù)“But I’m not sure.”可知,此處說話人不確定是不是布魯斯??仗帒胏ould表示“可能是他”。故選B。48.A【解析】句意:不準在森林里玩火。它可能會殺死植物、動物甚至人類。本題考查情態(tài)動詞。might可能,表示推測;might not可能不,表示推測;should應該,表示建議;should not不應該,表示建議。根據(jù)You are not allowed to play with fire in the forest. 可知,在森林里不可以玩火,因此推測可能會殺死植物、動物或人。故選A。49.B【解析】句意:為了實現(xiàn)我們的夢想,我們不應該停留在我們做過的事情上。考查情態(tài)動詞。may not可能不;should not不應該;need not不必;could not不能。根據(jù)“rest on what we have done.”可知是不應該停留在已經(jīng)做過的事情上。故選B。50.A【解析】句意:我們應該盡力與污染作斗爭。考查情態(tài)動詞辨析。should應該;may也許;mustn’t禁止;needn’t不必。分析“We…try our best to fight against pollution.”可知,此處強調(diào)義務(wù),“應該”符合語境,故選A。51.A【解析】句意:——打攪一下,你可以告訴我在哪里可以寄信嗎 ——當然,向左轉(zhuǎn)。在第五路上有一個郵局。考查could的用法和情景交際。could可以;will將要,會;Sure當然;Sorry抱歉;Sounds great聽起來很棒; Good idea好主意。根據(jù)“...you please tell me where I can post a letter”可知,此處是問路,表示委婉語氣用could。根據(jù)“Turn left. There is a post office on Fifth Road.”可知,回答者愿意幫忙,因此“sure (當然)” 符合語境。故選A。52.C【解析】句意:——你昨天為什么沒來開會?——我因為生病不能來。考查動詞辨析。may not可能不;mustn’t禁止;couldn’t不能;shouldn’t不應該。根據(jù)“because I was sick.”可知是因為生病不能來。故選C。53.B【解析】句意:這個男孩八歲時就能騎馬。考查情態(tài)動詞。must必須;could能夠;would將會;may可以。根據(jù)“when he was eight years old”可知八歲時能夠騎馬,用一般過去時,此處用could。故選B。54.A【解析】句意:當我們的父母有一天變得太老而不能照顧自己時,我們應該好好照顧他們。考查情態(tài)動詞。should應該;shouldn’t不應該;may可能;may not可能不。根據(jù)“When our parents become too old to take care of themselves one day”可知,當父母老去那一天,我們應該照顧他們,這是我們的責任和義務(wù),故應用“應該”should。故選A。55.B【解析】句意:——很多人全天都是在玩手機而不是讀書?!翘愀饬恕C總€人都應該是書籍愛好者。讀書真的很令人愉快。考查情態(tài)動詞辨析。may或許;should應該;would將要;need需要。根據(jù)“Reading is more enjoyable”可知,讀書是令人很愉快的一件事,建議人們應該是讀書愛好者。故選B。56.D【解析】句意:——你能幫我找一下我的英語書嗎?我到處都找不到。——愿意效勞。本題考查情態(tài)動詞。Should應該;Must 必須;Might 可能;Could 能,可以。根據(jù)“you please help me look for my English book ”可知,此處表示請求,句型是Could you please...。故選D。57.B【解析】句意:已經(jīng)七點半了。你應該快點起床。考查情態(tài)動詞。could可以;should應該;won’t將不會;shouldn’t不應該。根據(jù)“It’s already half past seven.”可知,這里是你應該快點起床。故選B。58.B【解析】句意:我們應該發(fā)揚全心全意為人民服務(wù)的精神。考查情態(tài)動詞辨析。might可能;should應該;could可能,能夠;can’t不能。根據(jù)“We...carry forward the spirit of serving the people whole-heartedly.”可知,應該發(fā)揚這種精神,用should表示責任和義務(wù),故選B。59.A【解析】句意:薩拉胃疼。所以她不應該吃冰淇淋。考查主謂一致及情態(tài)動詞。根據(jù)“Sara”可知,空一處主語是三單,動詞用三單has;根據(jù)“Sara ... a stomachache.”可知,胃疼不應該吃冰淇淋,空二處用shouldn’t。故選A。60.B【解析】句意:——你能買些飲料和零食嗎?——對不起,我不能。我沒有錢。考查一般疑問句。No, I couldn’t不,不能;Sorry, I can’t對不起,我不能;Yes, sure是的,當然可以;No way沒門。根據(jù)“I don’t have any money.”可知,應用否定回答,could表示委婉語氣,所以用can’t回答,故選B。61.A【解析】句意:如果你不知道怎么解這道數(shù)學題,你可以向你的朋友尋求幫助。考查情態(tài)動詞。could可以;would將;must必須;might可能。根據(jù)“ask your friends for help if you don’t know how to work out the math problem.”可知不知道怎么解這道數(shù)學題,可以向你的朋友尋求幫助。故選A。62.B【解析】句意:——昨天我沒有穿足夠暖和的衣服。現(xiàn)在我感冒了。——聽到這個消息我很難過。我想你應該躺下休息。考查情態(tài)動詞。mustn't禁止;should應該;shouldn't不應該;would將要;根據(jù)“I didn’t wear enough warm clothes yesterday. Now I have a cold.”以及“l(fā)ie down and rest”可知,此處是建議對方躺下休息,用should提出建議,表示“應該”,故選B。63.B【解析】句意:——Alice兩年前能跳迪斯科嗎?——不,她不會。但是現(xiàn)在她會。考查時態(tài)辨析及一般疑問句的回答。根據(jù)“two years ago”可知問句及其否定回答都用一般過去時,第一空用Could,第二空用couldn’t;再由“But now”可知最后一句用一般現(xiàn)在時,can用原形。故選B。64.D【解析】句意:那時我買不了錄音機,因為我身上沒有錢。考查情態(tài)動詞。can“能”;cannot“不能”;could“能”,過去式;couldn’t“不能”,過去式。當can表示能力時,過去式是could。根據(jù)“because I had no money with me then.”可知,沒有錢,買不了錄音機,且由“had”可知是一般過去時。故選D。65.B【解析】句意:馬里奧,你不應該抄別人的作業(yè)。這對你的學習不好。考查情態(tài)動詞辨析。needn’t不需要;shouldn’t不應該;must必須;can能,會。根據(jù)“It’s not good for your study.”可知,不應該抄別人的作業(yè)。故選B。66.B【解析】句意:你應該擦黑板,因為你值日。考查情態(tài)動詞辨析。must一定,必須;should應該;can能,會;may也許,可能。 根據(jù)“because you are on duty”可知,此處表示應該。故選B。67.A【解析】句意:——我的英語寫作有問題。我該怎么辦?——你可以從學習簡單的句子開始。考查情態(tài)動詞辨析。should應該;must必須;might可能;would將。根據(jù)下面的答句“You can start with learning simple sentences .”可知,是在問“我該怎么做”,尋求建議。故選A。68.B【解析】句意:——明天的天氣會怎樣?——可能刮風或下雨。它總是變化很快。考查情態(tài)動詞。must必須;might可能;can’t不可能;shouldn’t不應該。根據(jù)“It ... be windy or rainy. It always changes quickly.”可知,不確定天氣是有風還是有雨,此處表示不確定的推測。故選B。69.A【解析】句意:——-杰西卡,外面雨下得很大?!?,你開車去上班的時候要小心。考查情態(tài)動詞,should應該;will將;can能;might也許。根據(jù)“…be careful when you drive to work.”可知是應該小心一點。故選A。70.B【解析】句意:請不要開窗戶好嗎?我有點感冒了。考查動詞詞義以及特殊疑問句。open打開;close關(guān)閉,根據(jù)could you please not do sth“請不要……好嗎?”和“I feel a little cold”可知,應該是請不要開窗戶好嗎,故選B。71.C【解析】句意:——小明,這個周末你打算做什么?——我不確定。我可能會去鄉(xiāng)下看望我的祖父母。考查情態(tài)動詞。must必須、一定;should應該;might“可能”;will“將要”。根據(jù)前面的“I’m not sure”可知,對于做什么事是不確定的,空處填might符合。故選C。72.C【解析】句意:——這是誰的筆記本?——它可能是艾倫的。看起來像他的。考查情態(tài)動詞表推測。must一定;can’t不可能;might可能;mustn’t表禁止。根據(jù)“It looks like his.”可知,筆記本看起來像是艾倫的,表不確定的推測,故用might。故選C。73.C【解析】句意:——媽媽,我要吃零食,不要三明治!——親愛的,別忘了上周不吃很多不健康的食物你是不會生病的。考查情態(tài)動詞。may可能;must必須;couldn’t不能,不會;shouldn’t不應該。根據(jù)“fall ill without eating much unhealthy food”可知不吃不健康食物就不會生病,用couldn’t。故選C。74.A【解析】句意:——莉莉聰明又勤奮,她應該在歌唱比賽中取得好成績?!斎?。她天生是個歌唱家。考查情態(tài)動詞。should應該;might可能;can't不可能。根據(jù)答句“Sure. She was born to be a singer.”講到Lily是天生的歌唱家,可知此處表示肯定的推測,排除C。might表示推測時可能性非常小,而should表推測時講話人是根據(jù)自己了解的情況和判斷,試探性地得出結(jié)論,有“按理應當,估計”的含義。根據(jù)題干中“Lily is intelligent and hard-working”可知這里是根據(jù)自己了解的情況而做出的推測,用should而不用might。故選A。75.A【解析】句意:——西蒙,昨晚的青年俱樂部怎么樣? ——非常有趣。你應該來。考查情態(tài)動詞。should應該;can可以;must必須;ought應該去做。ought to=should,也就是說ought to可以看成情態(tài)動詞,ought不是情態(tài)動詞。根據(jù)“It was great fun.”可知,這里是你應該來,排除D。故選A。21世紀教育網(wǎng)(www.21cnjy.com)21世紀教育網(wǎng)(www.21cnjy.com) 展開更多...... 收起↑ 資源預覽 縮略圖、資源來源于二一教育資源庫