题目内容
5.I cleaned my classroom .( )| A. | with three hours | B. | three hours ago | ||
| C. | in three hours | D. | three hours before |
分析 我三小时前打扫了我的房间.
解答 答案:B.考查时间介词.句意"我三小时前打扫了我的房间."根据cleaned可知句子为一般过去时,in+时间 一般表示未来要做的事情,before常用于过去完成时,故选B.
点评 了解时间介词用法,再结合句意进行选择.
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