求一篇介绍police officer的英语短文
题目
求一篇介绍police officer的英语短文
答案
In this sunny summer,we can see the officers in the street every day,they appear in our life when something occured,and the hot sun made him exude sweat.Most police and detectives work at least 40 hou...
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我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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