The man over there _________ be over fifty. He looks so young.A．mustn’tB．mustC．can’tD．can-七年级英语

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• —Look! It________be the new woman manager. —It________be her.She has just left for Shanghai. A．can;m
• — May I park my car here, Sir? —_________. You may park it over there.A．Yes, you mayB．Yes, you can C
• ---_______I come back before five o’clock? ---No, you ________. But you________ be back later than
• -Must I use both hands?-Yes, you _____.A．mustB．needC．shouldD．can-九年级英语
• --Would you like to visit Kun Ming by yourself this summer vocation? --I’m not sure. I _____go there
• The Internet is really ________ to us. We can get a lot of things from it.A．usefulB．difficultC．diffe
• Look at the sign! It says: You______ park your cars here.A．mustn’tB．needn’tC．shouldn’tD．can’t-七年级英语
• 生态平衡是一种[]A．动态平衡B．绝对平衡C．永久的平衡D．动植物数量相等-八年级生物
• You _________ drive on when the traffic light is red.A．can’tB．needn’tC．mustn’tD．may not-七年级英语
• Whose book is that ?It _______belong to Linda .Look !Her name is on it .A． mustB． needC．have toD． c
• —Must the government of Philippines (菲律宾政府) say sorry to China？—Yes, they __________. Their behavio
• ----Must I finish that work today?----No, you _____. You may finish it in three days.A．mustn’tB．need
• —Mom, I play computer games?—Yes, you can. But you have to finish your homework first. A．mustB．mayC．
• You should _____ some English every day. It’s good for your vocabulary.A．readsB．readingC．to readD．re
• – Have you decided where to go for your summer vacation?– Not yet. We ___________ go to Mount Lu. I
• ─ Is the woman in white our manager?─ It ________be her. She has just left for Shanghai. A．mustB．may
• You have finished most of the work, so you ______ start working so early tomorrow. You ______ come a
• ________I smoke here ?----No. you can’t.A． NeedB．MayC． ShallD． Should-九年级英语
• ______he sing an English song? –No ,he can’tA. Is B. Does C. Can-七年级英语
• ---Could you please come to the museum with me this afternoon?---Sorry, I ______ . I have to take a
• 下列关于生态平衡的叙述，正确的是[]A．生态系统一般不会出现平衡状态B．生态平衡意味着生态系统中各种生物的数量恒定不变C．破坏生态平衡的主要原因是恶劣的自然条件D．生态系统-八年级生物
• ---Lingling says Miss Yu has gone to Shanghai, _____ that be true?---It _____ be true because I saw
• ----You needn’t take an umbrella. It isn’t going to rain.----Well, I don’t know. It_____do.A．mayB．m
• In China，a lot of food is wasted every year and the waste food is enough for people. The food is was
• -Hello, _______ I speak to Lily? -Hold on, please.A．mayB．must C．needD．should-八年级英语
• ______ I have a quick word with you? Something important has happened.A．MustB．CouldC．WouldD．Should-九
• --- ________ have you kept the book ? --- Since last Month. I ________ return it to the library tod
• Can you play tennis ? --_______A. No , he can’t B. Yes , I can C. No, I’m not-七年级英语
• Few weight-loss pills can help to keep people slim, _______?A．do theyB．dodt theyC．can't theyD．
• If you _____ smoke, please go outside.A．canB．mayC．mustD．might-八年级英语
• 下列对生态系统的叙述正确的是[]A．最大的生态系统是海洋生态系统B．为了保护羊而把狼全部抹杀掉，这对草原生态系统没有影响C．人类的生产活动过度不会破坏生态系统的自动调节能-八年级生物
• 如果人类大量捕杀鹰，草原生态系统将受到严重破坏，这说明[]A．生态系统无调节能力B．生态系统的调节能力是无限的C．只有绝对禁捕野生动物，生态系统才有调节能力D．生态系统调节-八年级生物
• _______ you tell me how I_______ get to the No．168 Middle School?A．Do；canB．Can；couldC．Could；canD．Cou
• I ________ be a little bit slow, but at least I don’t make foolish mistakes. A．shouldB．mayC．mustD．ne
• ---Mum, could I go shopping with you? --- Yes,________ . But you have to finish your homework first.
• - Youeat the soup if you don’t like it.A．shouldn’tB．mustn’tC．can’tD．needn’t-九年级英语
• For the safety, everyone _________ obey the traffic rules when he is driving or walking.A．needB．must
• ----Jack, how are you feeling now?----I am much better, Mum, so you ______________ take me to see th
• — Who’s that boy reading in the garden? Is it David?— It ____________ be David. I saw him in the cla
• -May we leave the classroom now?-No, you _______. You _______ to leave until the bell rings.A．can�
• Look at the “No parking” sign. You _____park your car here.A．shouldB．mustC．needn’tD．mustn’t-八年级英语
• ——Hate cannot drive out hate; only love ___________do that.——Martin Luther King, Jr.A. can B. must C
• 下列对于生态平衡理解正确的是[]A．生态系统中各种生物数量保持相等B．生态系统中各种生物数量保持不变C．生态系统中各种生物数量保持相对稳定D．生态系统中各种生物数量不断变化-八年级生物
• 洞庭湖某棉产区，在较早些年由于瓢虫、草蛉、蚜寄蜂等棉蚜天敌的控制，使害虫棉蚜数量一直维持在较低水平，没有造成棉花减产，但是后来由于长期不合理使用有机杀虫剂，天敌被-八年级生物
• —_____I bring my ID card with me next time?—No, you needn’t. I have copied and stored it in my compu
• —Will you please answer the door? It ________ be your sister.—Sorry, I ________. I’m feeding the rab
• —Is this Toby’s iPhone5，Jenny ?—No，it________be his. His is black A. muctn’t B. can’t C. may not. -九
• - It took me nearly 40 minutes to ride here.- Have a drink, please. You _________ be thirsty.A．willB
• I’m feeling much better now, so you call the doctor.A．couldn’tB．wouldn’tC．can’tD．needn’t-八年级英语
• A: Listen! Is it Tina singing in the next room?B: No, it __________ be her. She is still in Shanghai