—_____ he play table tennis?—No, he _____. [ ]A. Is; isn't B. Can; can't C. Can; isn'

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• —_____I get home before 7 ? —No, you needn’t.[ ]A. Must B. Should C. Can D. Will-八年级英语
• I often see lights in that empty house. Do you think I ______ report it to the police? [ ]A. should
• 句型转换。1. It's necessary to study hard in the school.(同义句)______ ______study hard in the school.
• 下列叙述正确的是（）A．在一个生态系统中，生产者、消费者、分解者是紧密联系、缺一不可B．维持生态平衡，就是维持生态系统内部各种生物的数量稳定不变C．人类所需的资源中，土地-生物
• _____ you ride _____ horse? [ ]A. Are; the B. Can; a C. Are; a D. Can; the-七年级英语
• 若人吃的牛肉来自以玉米为饲料的牛，人和牛分别扮演的角色是（）A．生产者消费者B．消费者生产者C．消费者分解者D．消费者消费者-生物
• —Bill, is the pink umbrella Anna’s?—No, itbe hers. Hers is purple. [ ]A. canB. may not C. wouldD. ca
• 如图示草原生态系统，请分析回答：（1）此生态系统中的生产者是______，分解者是______、______．（2）生产者与消费者之间的关系主要是______的关系它们之间相互交叉形成了______，
• 从“狼吃羊，羊吃草”可以看出，狼体内的有机物最终来源于（）A．草B．水C．羊D．阳光-生物
• You_____ be so hurry as the time is not so late.[ ]A. mustn’t B. mustC. can notD. will not-八年级英语
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• — This capTina's. I know she has a red cap. — No, it be Tina's. I am wearing her cap now.
• —How about singing songs with me?—I’m sorry I can’t. Ihelp my father with his work. [ ]A. have toB.
• 把下列生物与它在生态系统中所占的位置用线连接-生物
• - your brother play basketball, John? -No, he .[ ]A. Is; isn'tB. Can; canC. Can; can'tD. A
• "Must I come here before eight o'clock?" "No, you ______." [ ]A. can'
• 请按各小题的要求转换句型，保持句子原意，每个空格只准填一个单词。 1．We don't usually have to get there too early. (改为同义的) We get
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• 要使某一生态系统长期存在，除了非生物部分外，必须具有（）A．消费者和生产者B．生产者和消费者C．生产者和分解者D．生产者和人-生物
• Jack _______ swim when he was five years old. [ ]A. canB. could C. may D. must-八年级英语
• 下列说法错误的是（）A．我们饮用牛奶所获得的能量最终来自于太阳B．如果在人的皮肤表皮细胞内成功植入叶绿体，则我们人也能向植物一样进行光合作用C．植物的蒸腾作用会受到各种物-生物
• 下列各项生物中，属于生产者的是（）A．水草和小麦B．鱼虾和海带C．蘑菇和青菜D．食草鱼类和玉米-生物
• —Must I finish the job this afternoon?—Yes, you _____, but you ______ finish it now.[ ]A. must; must
• The bike _____ be Adam's. Look! His bag is on it.[ ]A. canB. mustC. can'tD. mightn't-
• —Where is Jack, please? —He_____ be in the reading room. [ ]A. need B. shall C. must D. would -九年级英语
• Maybe he can _____ in our club.[ ]A. beB. isC. /-七年级英语
• You ______ go and ask Meimai.She _____ know the answer. [ ]A. must, canB. must, mayC. need, mayD. ca
• 生态系统的组成成分有（）A．生产者、分解者和非生物成分B．生产者、初级消费者、高级消费者、分解者C．消费者、分解者、病毒、非生物成分D．生产者、消费者、分解者、非生物成分-生物
• 生态系统的结构越复杂，能量流动和物质循环的途径就越______，其抵抗外力影响的能力就越______．-生物
• Where are my keys? I _____ find them. [ ]A. aren't B. can't C. am not D. don't-七年级英语
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• —Mum, canI wear my jeans to school?—No, you _____ wear your school uniform.That's the school ru
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• Look! The light in the room is still on. Mr. Liuat work.[ ]A. mustB. can't beC. must beD. have
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• -___________ I come in?-Sure. Come in, please.[ ]A. WillB. MayC. MustD. Need-九年级英语
• —Our class won the table tennis match. —Congratulations! You______proud of it.[ ]A. can be B. may be
• 在生态系统的分解者中，对生态系统物质循环起着不可替代作用的微生物是（）A．腐生性微生物B．寄生性微生物C．蓝藻D．硝化细菌-生物
• — _______ I watch TV? —Yes, you can watch the football game after you do your homework. [ ]A. May B.
• Can you see the book ?Yes , I__________.[ ]A. amB. doC. can-七年级英语