◎ 题干
—When did you start collecting stamps?  
—______ago.    
[     ]
A. One and a half year      
B. One year and half    
C. One and half years      
D. One and a half years
◎ 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“—When did you start collecting stamps? —______ago.[ ]A. One and a half yearB. One year and halfC. One and half years D. One and a half years…”主要考查了你对  【可数名词(单数名词,复数名词)】  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。