为什么用which 能换成别的关系代词么?I’d like to find a job which is more challenging.which 能换成that么?

为什么用which 能换成别的关系代词么?I’d like to find a job which is more challenging.which 能换成that么?
为什么用which 能换成别的关系代词么?
I’d like to find a job which is more challenging.
which 能换成that么?

为什么用which 能换成别的关系代词么?I’d like to find a job which is more challenging.which 能换成that么?
能换成that 没有问题