And they're looking for ()mother ,too.空里应填their还是theirs?为什么?求解!

And they're looking for ()mother ,too.空里应填their还是theirs?为什么?求解!
And they're looking for ()mother ,too.空里应填their还是theirs?为什么?求解!

And they're looking for ()mother ,too.空里应填their还是theirs?为什么?求解!
their
形容词性物主代词后面才可以接名词.
名词性物主代词后不能接名词.

their
这里用形容词性的物主代词即可

their这是名词前，作定语的。
my father
your teacher
主语表语才用theirs
theirs=their + 名词
如：
The book is mine=The book is my book.

their就是他们的。