◎ 题干
—Can I help you, sir?    
—Yes, I brought this radio here yesterday, but it   ___   now.
[     ]
A. didn’t work    
B. won’t work    
C. couldn’t work    
D. doesn’t work
◎ 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“—Can I help you, sir?—Yes, I brought this radio here yesterday, but it______ now.[ ]A. didn't work B. won't work C. couldn't work D. doesn't work …”主要考查了你对  【一般现在时】  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。