◎ 题干
In the past he was often ________, but in recent years he ________ his living by doing business
with local traders.
[      ]
A. in debt; gained  
B. in debt; earned
C. into debt; gained  
D. into debt; earned
◎ 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“In the past he was often ________, but in recent years he ________ his living by doing business with local traders.[ ]A. in debt; gainedB. in debt; earnedC.…”主要考查了你对  【介词和介词短语】【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。