◎ 题干
Mr Smith________his living by teaching ten years ago and he________greatly from his work.
[     ]
A. earned; earned  
B. earned; gained
C. gained; gained  
D. gained; earned
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Mr Smith________his living by teaching ten years ago and he________greatly from his work. [ ]A. earned; earnedB. earned; gainedC. gained; gainedD. gained…”主要考查了你对  【动词】  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。