You_____a teacher. I_____a student. My sister_____a student, too. [ ]A. am; is; are B. is; are; amC.

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• ---Is John coming by train? ---He should, but he ________ not. He likes driving his car.A．mustB．canC
• —Where _____ the flowers?—They are on the floor.[ ]A. is B. be C. am D. are-七年级英语
• Li Lei can’t go hiking with us today,because he take care of his sick mother.A．has toB．mayC．mustn’tD
• ----:I get up at five o'clock tomorrow morning?----: No, you.A．Must; can'tB．Must; needn�
• －Mum, must I stay there the whole day?－No, you__________. You__________ come back after lunch, of yo
• Look! ______ Some fishon the table, and some apples ______ in the box. [ ]A. is;areB. are;isC. are;a
• The boy ______healthy ________he cloesn’t like to exercise.[ ]A. doesn't ; so B. isn't ; s
• 句型转换。 1. He started dancing at the age of four.(改为同义句)He started dancing_____ ______ ___________ ___
• _________you ___________for England tomorrow?[ ]A. Do; leave B. Will; leaving C. Are; leaving D. Do;
• 蘑菇在生态系统中属于（）A．分解者B．消费者C．生产者D．植物-七年级生物
• 菟丝子是一种缺乏叶绿素的开花植物，可吸附于其他绿色植物上以取得养分，故菟丝子在生态系统中的角色是（）A．生产者B．分解者C．消费者D．既是分解者又是消费者-九年级生物
• 人在生态系统中担任的角色是（）A．生产者B．消费者C．生产者和消费者D．分解者-七年级生物
• ）The red bike _______be Hu’s. She has a blue bike.A．mustB．mightC．canD．can’t-九年级英语
• —Where_____ my football?—It is under the chair.[ ]A. is B. are C. be D. am-七年级英语
• Is that your best friend Kitty?— No, it _________ be her. She flew to Singapore yesterday.A．mustB．ca
• －Is Mr. Li in his office ?－No, he __________ in the office. He’s ill in hospital.A．must beB．can’t b
• —Listen! Is that Millie singing?—No. It _____ be Millie. She has gone to Beijing.A．mayB．can’tC．must
• Some teenagers would rather _____ than _______ in their spare time.A．play computer games, doing exe
• –Must I finish my homework tonight?-No, you______.A．Can’tB．Mustn’tC．needn’tD．may not-九年级英语
• You'd better ____ football in the street.A．playB．not playC．not to playD．plays-八年级英语
• —Who's the No. 1footballer in the English Premier League(英超联赛). —Beckham _____, I think.[ ]A. w
• 一个池塘内有水草、浮萍、水绵、鱼、虾、河蚌等生物，共同组成一个生态系统．（1）该生态系统中能量和有机物的来源分别是______、______．（2）水草和水绵在此生态系统中的是_____-七年级生物
• 流行性感冒的病原体属于生态系统的（）A．分解者B．消费者C．生产者D．以上都是-七年级生物
• 农作物对该生态系统的主要意义不包括（）A．决定系统中其它所有生物的命运B．为其它生物提供能量C．为生态系统提供有机物和新鲜空气D．决定鸡猪等生物的数量-七年级生物
• 句型转换1. The library isin front of the science lab (就画线部分提问) ?2. There are some pears in Li Lei's
• Must I move the table? No, you _____________.A．may not B．needn'tC．mustn't D．aren't-八年
• The price of the socks ________5 yuan.[ ]A. does B. do C. isD. are-七年级英语
• –May I take these books out of the reading room?-- No, you _________.A．won’tB．don’tC．mustn’tD．needn
• --- Do you have any plans for this weekend?--- I’m not sure. I _____ go climbing Mount Baoshi.A．must
• 按括号内要求完成各题。1.They are going to visit Mr. Wang tonight. (改为否定句)They _____ going to visit Mr.Wang toni
• —Must I park my car behind the building?—No, you _______. You _______ park it there.A.mustn’t; mayB.
• —Can I _______ your new watch? —Sure. [ ]A. lookB. to look atC. have a look atD. looking -七年级英语
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• 通过微生物的作用，猪粪等物质可被分解为二氧化碳和水等物质，为农作物所利用．这类微生物在生态系统中所属的成分及其分解有机物的方式依次为（）A．消费者、呼吸作用B．分解者、-七年级生物
• 在一个草原生态系统中，生活着兔子和狼．请回答：（1）草类与兔子、兔子与狼之间的关系是______．（2）影响兔子的生物因素是______．（3）写出此生态系统的食物链______．（4）此生态系统-七
• --- Will the new iphone cost a lot?--- I ________ think so. Apple’s products are usually expensive.A
• 自然条件下，生态系统能够在较长时间内维持相对稳定．如图体现了生态系统各成分间的相互关系．有关分析不正确的是（）A．②表示呼吸作用B．乙固定能量的多少决定丙、丁的数量多少C．-生物
• 一个生态系统若要长时间维持下去除了非生物的物质和能量外，不可缺少的成分是（）A．生产者和消费者B．生产者和分解者C．消费者和分解者D．所有的生物部分-生物
• 句型转换。1.Themathbooksareonthedesk.(改为否定句) Themathbooks_____ _____onthedesk.2.Thevideotapesareinthebook
• Sam’s parentsworkers in that hotel.[ ]A. is B. am C. are-七年级英语
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• —_____ you turn down your radio , please?—Yes , Ican.[ ]A. May B. Need C. Must D. Can-九年级英语
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• 构成此生态系统最主要的生物成分及其在生态系统所属成分分别是（）A．猪、消费者B．蝇（蛆）、分解者C．人、管理者D．农作物，生产者-七年级生物
• 据如图回答：（1）兔子、树和草死亡后，遗体会逐渐消失，这是因为图中的C______把它们分解为A______和B______．（2）在光照下，A和B又被植物吸收用来进行______作用制造______
• Living in the country side _____ fun, because the nature there is so beautiful.A. can’t be B. may b
• 如图示生态系统各成分间的相互关系，A、B、C代表生态系统的生物部分，请分析回答：（1）若A、B、C包括地球上所有的生物，则该图所示的生态系统称为______．（2）图中A是______者，-七年级生物
• I ______ Lily, she ______ Lucy. _____ you Millie? [ ]A. is, am, AreB. am, is, Are C. are, is, Are D.
• My name _____ Jack and I _____ a student. [ ]A. is;isB. are;areC. are;am D. is;am-七年级英语
• Where_________ my English books?[ ]A. isB. are C. am-七年级英语