◎ 题干
—I think _______ books and paper is really easy.                
—I agree.But it's hard to stop_______ in cars.            
[     ]
A. recycle, riding            
B. recycling, ride          
C. recycle, to ride                  
D. recycling, riding
◎ 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“—I think _______ books and paper is really easy. —I agree.But it's hard to stop_______ in cars.[ ]A. recycle, ridingB. recycling, ride C. recycle, to ride…”主要考查了你对  【动名词】  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。