题目内容
【题目】With all his attention ______ on his experiment, he has no time to spend with his family.
A. paid
B. focused
C. attracted
D. settled
【答案】B
【解析】句意:由于把注意力全放在实验上,他没有时间陪家人。此处使用了with复合结构,attention和focus之间是被动关系,所以用过去分词,短语focus one’s attention on,意为“把注意力集中在……上”。
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