police是单数,也可以代表复数,policemen是policeman的复数.
不能哎police是群体名词 表示一个整体概念policemen是policeman的复数这题应该是policemen
police是单数,也可以代表复数,policemen是policeman的复数.
不能哎police是群体名词 表示一个整体概念policemen是policeman的复数这题应该是policemen
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