◎ 题干
In order to ____ the high cost of living, the couple worked day and night to make money.
[     ]
A. keep up with
B. keep back
C. keep away
D. keep off
◎ 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 order to ____ the high cost of living, the couple worked day and night to make money. [ ]A. keep up with B. keep backC. keep away D. keep off …”主要考查了你对  【动词短语】  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。