题目内容

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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