He hit me while I was looking back over my shoulder.
She'd taken to looking over her shoulder for him, and didn't like the feeling one bit.
We started off, and I looked over my shoulder at her.
He looked back over his shoulder at the world they had left.
He looked over his shoulder to see how much help he'd get.
He looked over his shoulder at her once, and she turned away.
But I can't be looking over my shoulder every second of the day.
He looked over his own shoulder and saw the thing again.
She got up and came to look over my shoulder.
I looked over my shoulder at the rest of the room.
I glanced over his shoulder and had a look at the children.
He glanced over his shoulder to make sure no one else was close enough to hear.
He glanced once over his shoulder, then turned away again.
Her blue eyes turned away when he glanced back over his shoulder.
Then he glanced over his shoulder to see how the others were doing.
She started to speak, looked lost, glanced back over her shoulder.
With a start the child glanced quickly up over her shoulder.
She moved a little to the side and glanced over her shoulder.
Then he glanced back over his shoulder at the girl.
She went to the door, then glanced over her shoulder at him.