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20.She was seated quickly at the desk,her attention ______ on the smartphone.(  )
A.fixedB.fixingC.to fixD.to be fixed

分析 她迅速地坐在桌子旁,注意力集中在手机上.

解答 答案:A
分析句式可知,主句为"She was seated quickly at the desk",后面的是表示伴随状况,"attention"与"fix"之间表示被动关系,此处构成一个独立主格结构,即主语+现在分词(主动)或过去分词(被动).

点评 考查过去分词.考生需对过去分词的用法熟悉,即与所修饰的名词之间表示被动关系.

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