复合不定代词做主语时的反义疑问句部分,人称的单复数怎么办?

问题描述:

复合不定代词做主语时的反义疑问句部分,人称的单复数怎么办?
听老师说 复合不定代词做主语时 单数用he 复数用they 怎么判断单复数啊?

指人的复合不定代词做主语时的反义疑问句部分,人称的单复数都可以,但是用用复数较常见.
Everyone is here, aren't they?
Everyone is here, isn't he?