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As time went on, the police _______ their search for the _______ student.

A. handled up; missed B. defended up; losing

C. stepped up; missing D. stayed up; lost

C

【解析】

试题分析:考查词汇词组辨析及非谓语动词。句意:随着时间的推移,警方加强失踪的学生的搜索。handle up处理;defend up加强防御;step up加快速度,加强;stay up熬夜。过去分词表示已经失踪的状态,而现在分词表示正在失踪的动作。miss指丢失,错过某事物,lost指失败,失踪。根据句意,故选C。

考点:考查词汇词组辨析及非谓语动词

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