Bob his bedroom by himself. Look! How clean it is!A. sweeps B. sweptC. has swept 题目和参考答案——青夏教育精英家教网—

题目内容

Bob ______ his bedroom by himself. Look! How clean it is!

A. sweeps B. sweptC. has swept

【解析】

试题分析： have/has+动词过去分词，构成现在完成时，Bob是第三人称单数，用has+过去分词。sweep的过去分词为swept。句意：鲍勃自己打扫了卧室，看，多干净啊！故选C。

考点：考查现在完成时的用法。

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