human being和human加的谓语用单数还是复数?
human being和human加的谓语用单数还是复数?
each human being用单数还是复数(is/are)?
each human being 后面接单数还是复数?
human是单数还是复数
human 是单数还是复数
human ,human being,mankind 谓语单复数 以及它们的区别!
people和human,human being的区别
human being还是human beings?
human 做主语是单数还是复数?
human being 后面用are还是is human呢?
human being和hunman和 human race的区别
human和human being有什么区别?