Then he noticed the worried look on Tom's face and asked what was wrong.

Tom asked, noticing the worried look on the man's face.

He could tell, however, that she certainly noticed the look of concern on his face.

He glanced at his friend and noticed the black look on the other man's face.

As he came towards the door she noticed the smile on his face.

After a year his wife still appeared not to have noticed the smell of another woman on her husband's face.

I noticed the look on your face during the meeting this morning.

But it quickly changed when he noticed the hurt look on his friend's face.

He noticed the look of strain on his son's face.

Tony noticed the look on her face and quickly money back into his pocket.