He sat there,with his mind focused on his work中为什么用focused不用focusing

He sat there,with his mind focused on his work中为什么用focused不用focusing
英语人气:278 ℃时间:2020-06-06 12:29:51
优质解答
因为focus和mind是被动关系,focus his mind on ,所以用过去分词.
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