Question

反意疑问句中，不定代词指人用they/he?指物用it/they?

Answer 1

当陈述部分的主语是everyone,everybody,
someone,
nobody,
no
one,none,
anyone,
somebody等合成不定代词时,
在非正式文体中，附加疑问句中的主语通常用he或they。例如：
Someone
opened
the
door,
didn't
he/they?
有人开了门，是不是？
Nobody
went
to
the
cinema,
did
they?
没人去看电影，是吗？
当陈述部分的主语是everything,
nothing,
something,
anything等合成词，附加疑问句中的主语用it。例如：
Nothing
serious
happened,
did
it?
什么事情也没有发生，对吗？
Everything
is
ready,
isn't
it?
一切准备就绪了，不是吗？