◎ 题干
Mom,I lost ________  diamond ring you bought for me as my birthday present. Could you keep ________  eye out for it when you clean my bedroom?
[     ]
A.a;an  
B.a;the  
C. the;an  
D.the;the
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Mom,I lost ________diamond ring you bought for me as my birthday present. Could you keep ________eye out for it when you clean my bedroom?[ ]A.a;anB.a;theC.…”主要考查了你对  【不定冠词】【定冠词】  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。