This boy is working hard.划线部分提问,划线部分是working hard

问题描述:

This boy is working hard.划线部分提问,划线部分是working hard

This boy is working hard.划线部分提问
What is this boy doing?She works in a hospital for children in Tinjin.的同义句是什么She is a doctor in a hospital for children in Tinjing.