◎ 题干
Lei Feng ____ a lot of things for others in his life, people thanked him for what he _____.
[     ]
A. did; had done            
B. had done; had done
C. had done; did                
D. did; did  
◎ 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“Lei Feng ____ a lot of things for others in his life, people thanked him for what he _____.[ ]A. did; had done B. had done; had done C. had done; did D. …”主要考查了你对  【一般过去时】【过去完成时】  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。