Don't be too hard on him; he's doing the job---

Don't be too hard _____ him. He is _____ an ordinary child.

A、

with; anything but

on; something but 

to; anything but

 on; nothing but

Don’t be too _______ on him — he’s still a child.

He works too hard,that’s________is wrong with him.

Don’t stop him doing what he wants. ---- Let him____________________________.