human beings肯定用复数,因为有s
human和human being用单数,但是有的时候前面加a,有时候不加,强调人类整体的时候不加,强调一个人类时要加a
police看情况,强调整体当单数,强调个体当复数,因为它是集合名词
policeman是个可数名词,用a policeman的时候用单数,policemen的时候复数
human,human being 谓语动词?单复?
human,human being 谓语动词?单复?
human beings 谓语动词,应该是复数
human human being ,谓语动词
2 police ,policeman 谓语动词是?
human beings 谓语动词,应该是复数
human human being ,谓语动词
2 police ,policeman 谓语动词是?
英语人气:894 ℃时间:2020-04-15 09:31:06
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