◎ 题干
— My trousers are _____.  
— I'll buy you a new pair.
[     ]
A. wore out  
B. worn out 
C. wearing out 
D. sold out
◎ 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“— My trousers are _____. — I'll buy you a new pair. [ ]A. wore out B. worn outC. wearing out D. sold out …”主要考查了你对  【动词短语】  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。