◎ 题干
It is several years since he ______ ill and his illness _______ great damage to his health.     
[     ]

A. fell; has done  
B. fell; does  
C. was; had done    
D. felt; has done

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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“It is several years since he ______ ill and his illness _______ great damage to his health.[ ]A. fell; has doneB. fell; does C. was; had done D. felt; h…”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。