◎ 题干
      _   you            the cat?
—Yes, I have.    
—When      _    you    _     it?
—Ten minutes ago.    
[     ]
A. Did, feed; did, feed        
B. Have, fed; have, fed    
C. Did, feed; have, fed      
D. Have, fed; did, feed
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“—_ youthe cat?—Yes, I have.—When _ you _it? —Ten minutes ago.[ ]A. Did, feed; did, feedB. Have, fed; have, fedC. Did, feed; have, fedD. Have, fed; di…”主要考查了你对  【一般过去时】【现在完成时】  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。