用所给的词的适当形式填空1. How much _____ (be) the blue socks? 2. Can you help _____ (I)? 3. She often _____ (wa

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• ---What should we do first if we want to develop our village?---Lots of new roads ________, I think.
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• 能量在食物链的流动过程中被多种生物______，与能量流动不同，物质可以以某种形式在生态系统中______．-生物
• —Mary, you bring my math book to school?—OK, Dave. [ ]A. can B. are C. doD. is -七年级英语
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• Kids _________ use the computers to draw in the future.A．canB．couldC．will be able toD．will can-八年级英语
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• 硝化细菌能利用氧化某些物质释放出来的能量，将二氧化碳和水合成有机物，它在生态系统中的成分属于（）A．生产者B．消费者C．分解者D．非生物的能量-生物
• --______ we clean the classroom at once? --No, you _____. You____ clean it after school.A．Must, need
• 人类通过农业生产获取粮食，人是生态系统中的（）A．生产者B．消费者C．分解者D．以上都是-生物
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