The professor smiled again and turned back to the screen and the thesis he was grading.
"That would mean staying up all night," smiled the professor.
The professor nodded and smiled her permission at him.
The professor only smiled and strolled away, humming to himself.
The professor smiled as he took his place.
Here's the cane that it was in -" The professor smiled.
The professor smiled his charming smile, his eyes like blue flint.
The professor smiled from behind his thick glasses, and touched his left leg.
The old professor smiled a modest smile which faded into a frown.
The professor caught sight of Trip and smiled.