each human being用单数还是复数(is/are)?

each human being用单数还是复数(is/are)? human being和human加的谓语用单数还是复数? each human being 后面接单数还是复数?it would be a blessing if each human being were stricken blind and deaf for a few days 我觉得后面应该接WAS 而不是WERE 当human being表示人类时 用human being造句 with the development of science,human being livesin a virtual world,这句话里面有错的吗?特别是human being这里应该是单数还是,而且后面的live应该用单数还是? human being 后面用are还是is human呢? human being还是human beings? born to win我找不到这篇文章的全文~以each human being is~开头的~ 人类 英语用哪个表示啊?human , humanshuman beings human being ?表示 人类, 一个群体.复数 的话用哪个?2 作主语的话,谓语动词 的情况是 单数,还是复数?谢谢. human being right? human being英语翻译 human being !是什么意思? human being怎么读 every ,each,和each of 后面用单数还是复数 EACH后动词用单数还是复数? each family 谓语用单数还是复数 human和human being有什么区别? human beings与human being的区别