◎ 题干
—Where is the paper I put on the table just now?
—Sorry. I thought it was         paper and threw it away.
[     ]  
A. waste                
B. helpful
C. useful                
D. beautiful
◎ 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“—Where is the paper I put on the table just now?—Sorry. I thought it was paper and threw it away.[ ]A. wasteB. helpfulC. usefulD. beautiful…”主要考查了你对  【形容词】  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。