He has to work on Sundays, ____ personally he does not like.这里为什么填which?

He has to work on Sundays, ____ personally he does not like.这里为什么填which?
He has to work on Sundays, ____ personally he does not like.
这里为什么填which?

He has to work on Sundays, ____ personally he does not like.这里为什么填which?
这是一个非限制性定语从句
which ,代表前句的整个意思,就是说,他不得不在周日工作,那是（代指周日工作）他不喜欢的.

填though