◎ 题干
—Now computers _____everywhere.  
—I agree with you.I think they are the most useful inventions.  
[     ]
A. are using    
B. use    
C. are used    
D. will used
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—Now computers _____everywhere.—I agree with you.I think they are the most useful inventions.[ ]A. are usingB. useC. are usedD. will used…”主要考查了你对  【被动语态】【一般现在时】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。