The train has just left.It is for Shenzhen.连成定语从句

网友回答

The train,which is for Shenzhen,has just left.
======以下答案可供参考======
供参考答案1:
The train which is for Shenzhen has just left.
供参考答案2:
The train which is for Shenzhen has just left.
(定语从句)The train, which is for Shenzhen, has just left. （非限制性定语从句）