Susan’s parents bought a large house with a swimming pool. It ______be very expensive.A．canB．mustC．m

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• 用所给词的适当形式填空。 1. Could you(help) me with my lessons? 2. Peter do the(dish) in a fast food restaurant.
• It _____ that he has been ill for a long time.[ ]A. seems B. looks C. looks as if D. seems as if-八年级
• 如图是生态系统中物质循环示意图，请你将其中缺少的部分填完整．-生物
• Your idea ________ good. [ ]A. see B. sound C. hears D. sounds -七年级英语
• You stand in line while waiting for the bus.A．mustn’tB．can’tC．are supposed toD．don’t-九年级英语
• —My house is very near a busy street. —It be very quiet. [ ]A. can B. must C. can't D. mustn�
• He hasn't come to school.I think hebe ill.[ ]A. canB. mustC. needn't D. can't-九年级英语
• You’re too tired. You _______ have a good rest.A．shouldB．canC．mayD．shouldn’t-八年级英语
• 在一个草原生态系统中，生产者是（）A．鼠B．草C．兔D．鹰-生物
• 上右图是一个森林生态系统中的各种生物，请观察：（1）图中的生产者是______，消费者有______．（2）生产者和消费者之间的关系，主要是______与______的关系，这样它们之间就形成了-生物
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• 一 ______ Mimi cute? 一 Yes, I think so. [ ]A. Doesn't B. Don't C. Aren't D. Isn't
• Thedish_____nice. [ ]A.sounds B.smells C.feels -八年级英语
• -- Who’s singing in the next room?--- It ____ be her . She went to New York yesterday eveningA．can’t
• 池塘生态系统中有鱼类、浮游动物、绿色水生植物、真菌等生物，则该生态系统中的物质和能量的流动是从哪类生物开始的（）A．绿色水生植物B．浮游动物C．鱼类D．真菌-生物
• 最简单的生态系统，必须具有的生物成分是（）A．动物和植物B．非生物的物质和能量及生产者C．生产者和分解者D．生产者、分解者、消费者-生物
• 如图是草原生态系统中的主要成员及食物关系，请据图回答下列问题：（1）图中所示的是生态系统的______部分．在生态系统中，植物是______，动物是______，细菌和真菌是______．（2）-生物
• —Mr. Wang __________ be in the office. The light is still on.—No, he __________ be. Because he phone
• -__________ I do my homework now?-No, you __________.[ ]A. Can; needn'tB. May; needn'tC. C
• The cake _____ good. I can't wait to eat it. [ ]A. feels B. sounds C. becomes D. smells -九年级英语
• --Who is making much noise?---It ____ be Timmy. He is sleeping now.A．can’t B．may notC．mustn’t D．coul
• We hope that as many people as possible ______ join us for the charity show tomorrow.A．needB．canC．mu
• 在一个成分复杂的生态系统中，对保持生态平衡起决定作用的是（）A．非生物的物质和能量B．生产者C．消费者D．分解者-生物
• Don't go out to play. You_______finish your homework first.[ ]A. mustB.haveC.hadD.have to-八年级英语
• —Can you tell me what to wear at the party?—If I you, I the blue jeans.A．am; will wearB．was, will we
• –Look at that girl! Is it Susan? --No, it _______ be her. She went to her hometown just now.A．mustn’
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• Put a bit of sugar in the coffee, and it will ______ better. [ ]A. sound B. taste C. look D. make -九
• I'msorrytohavekeptyouwaitinglong.Nevermind,I_______hereforonlyafewminutes.[ ]A. havebeen B. hav
• – There’s somebody at the door. Who ____ it be? Is it the postman? -- No. It ______ be him. It’s jus
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• —This T-shirt _____ Jim’s. I saw him playing basketball here just now.—No, it _____Jim’s. Look, at t
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• （1）草A、消费者：（2）昆虫B、分解者：（3）细菌、真菌C、生产者：（4）田里的水稻和杂草D、生长（5）老虎吃野猪E、竞争关系（6）植物开花结果F、捕食关系（7）小虎长成大老虎G、繁殖．-生物
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• — Whose radio is this?— I think _______. [ ]A. it's Andy B. it's Andy's C. its Andy D
• — What color _____Li Ming's clothes?— _____ white and black. [ ]A. does; It's B. do; We�
• I’d an English teacher an officer.A．rather be, thanB．to be, to beC．rather to be, thanD．rather be, th
• What ___________ the life like in the north , do you know?[ ]A. doesB. willC. wouldD. is-八年级英语
• 生态系统的能量最终来自于（）A．太阳能B．生产者C．消费者D．分解者-生物
• —People find it hard to get across the river．—I think at least two bridgesover it．A．needB．are needin
• There is a “ No smoking “ sign here. You _________ smoke.A．canB．mayC．needn’tD．mustn’t-九年级英语
• 由于市场销路不景气，菜农们种植的东瓜卖不出去．大量冬瓜都烂在田地里，这时，地里的微生物将（）A．数量下降B．数量上升C．不能生存D．稍有增加-生物
• —Do you like listening to Moonlight Sonata (月光曲)? —Yes. It ______ really beautiful. [ ]A. feels B. l