题目内容
【题目】
His business was very successful,but it was at the ______ of his family life.
A. consumption B. credit
C. exhaustion D. expense
【答案】 D
【解析】 句意:他做的生意很成功,但却是以牺牲家庭生活为代价的。at the expense of... 以……为代价,在损害……的前提下。
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