This book _______ Lucy’s . Look! Her name is on the book cover（封面）.A．must beB．may beC．can’t beD．must

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• My brother likes playing ____ football, but he doesn’t like playing ___ piano.A．the; aB．the, theC．/;
• 下图示我国南方的一种新型的“桑→蚕→气→鱼”农业模式，该模式将蚕沙（蚕粪）、人畜粪便、枯枝败叶等投入沼气池发酵制成沼气，用沼渣喂鱼及为桑树施肥，获得了鱼、蚕、桑、气的全-八年级生物
• 用be的适当形式填空。①— _____thoseyourpencils? — Yes, they____.② I_____WangYun. MyQQnumber_____8055725.③These_
• 请你参照右图制作一个生态瓶，探究生物在一个密闭的生态系统中如何生存．制作方法是：将小鱼2条、小田螺4只和一定数量的水草一起放入盛有水的密封的广口瓶中．瓶底应放置一些沙-生物
• He is ______ outstanding student from ______ university in America. A．a; aB．a; anC．an; aD．an; an-八年级
• When he ________young, he________ a good kid.[ ]A. is; isB. was; wasC. is; wasD. was; is-七年级英语
• She _____ of medium height with short hair.[ ]A. is B. has C. does-七年级英语
• He asked me if I ______ mad ______ him. [ ]A. am; at B. was; at C. was; to D. am; to -八年级英语
• The yellow coat ________belong to Linda because nobody likes yellow except her. A．can’tB．mayC．mustD．
• I ______ it everywhere, but I didn’t _____ it. A．looked for, looked forB．looked for, find C．found, l
• Tina_________wait _________ see her parents .A．can; forB．can’t; forC．can; toD．can’t; to-九年级英语
• 海带是人们经常食用的植物，它属于（）A．藻类植物B．苔藓植物C．蕨类植物D．裸子植物-生物
• ____________和____________是生态系统的重要功能。生态系统要完成这些功能是沿着________和________进行的。-八年级生物
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• You didn’t have breakfast. You ________ be hungry now.A．mustB．can’tC．couldD．might-九年级英语
• It _________ rain this afternoon, but I am not sure.A．willB．canC．mustD．may-九年级英语
• Frank is my pen pal, he _____________ Sydney, Australia.A．livesB．fromC．comes fromD．be from-八年级英语
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• Tigers like to eat _____________, but koalas like to eat____________.A．meat , leaf B．meats , leafC．m
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• When the traffic lights are red, we _______ stop.A．should B．might C．must D．may-八年级英语
• You’d better _______ too much meat. You are much too fat. A. not eat B .eat C. not to eat-八年级英语
• Our English teacher said she _______ speak three languages． A．couldB．canC．willD．is going to-八年级英语
• —How many teachers are there in your school? —About 160. One third of themmen teachers. [ ]A. have B
• 用所给词的适当形式填空1.--Where______ (be) New York?--It's in the USA.2._____your pen pal______(come) from
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• 用be的适当形式填空。①I____ astudent.②What____thatinEnglish?③Thekey____white.④How____you?-七年级英语
• The pay phone is _____Green Street and it’s across ______ the library.A．in, toB．on, fromC．at, throug
• You ______ be polite to the old man.A．shouldB．can’tC．mightD．mustn’t-八年级英语
• --- Must I finish the project now?--- No, you _. You_do it this evening.A．mustn’t; canB．needn’t; may
• 下图为一个水域生态系统的示意图，请据图回答问题：（1）藻类是生态系统中的，大鱼和小鱼是生态系统中的。（2）大鱼与小鱼之间是的关系。（3）和能量流动是生态系统的重要功能。在生-八年级生物
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• 从理论上来说，维持一个生态系统的存在，下列哪一项不是必要的（）A．生产者B．消费者C．分解者D．非生物的物质和能量-生物
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• The dish looks good, but when I eat it, it ______ very terrible.[ ]A. tastesB. smellC. lookD. sounds
• 用be的适当形式填空。①IJenny.You _____Tony.②— What_____ yourname?— Myname _____Alice.③— What____thisinEnglish?
• —Don’t play with the knife, ______ you’ll cut your hand. —Sorry, I ______ .A．so; can’tB．and; won’tC．
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• ---Who is the tallest boy? ---It ______ be John. John is of medium height.A．mustB．needn’tC．mightD．ca
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• 生态系统中最基本、最关键的生物组成成分是（）A．空气B．分解者C．消费者D．生产者-生物
• 在进行模拟保护色的探究实验中，“实验中的你”扮演的角色是（）A．猎物B．捕食者C．幸存者D．旁观者-生物