She carried her child on her back.
I have no politician to back me.
He will be back in a few days.
He was seated comfortably on a camel’s back.
He quietly slipped through the back door.
Wait here till I come back.
I assure you that you will get back your book in two days.
Be calm and your days will be back.
He is back in the thick of things.
Danger has been stalking you since we came back.
Do you want to go back?
I am so happy that you have come back safely.
When will you come back.
One must not stab people in the back.