复合不定代词做主语时的反义疑问句部分,人称和单复数怎么办?

问题描述:

复合不定代词做主语时的反义疑问句部分,人称和单复数怎么办?

指事物的,用it:
Something is burnt,isn't it?
指人的用they.
Someone is coming,aren't they?something is wrong with the radio, isn't it/ aren't they? 应该都是正确答案吧?是不是人的是复数, 物既可单也可副啊?错误:something is wrong with the radio, aren't they?正确:something is wrong with the radio, isn't it?