He turns to see a pair of young men, with a woman between them.
He had never before in his life seen a pair of legs like those.
I dropped, looked under the car and saw a pair of feet.
He glanced back and saw a pair of them now.
He saw a large pair of eyes staring back at him.
He turned and saw a pair of green eyes staring at him.
Suddenly, I looked up and saw a pair of green eyes staring back at me from no more than ten feet away.
Then he saw a pair of boots standing a few feet away.
David couldn't remember ever having seen such a weary pair of eyes.
She could see a pair of feet sticking out from beyond the little table.