How to use "theater" in a sentence

This boy in the station wagon was not the first that she had imagined was Danny; in recent weeks, she had seen her lost son in other cars, in schoolyards past which she had been driving, on public streets, in a movie theater.

The theater was shaped like an enormous fan, spreading under a high domed ceiling

As Tina stood in this beautiful theater, glancing down at the colorfully costumed people milling about on the stage, then looking at Joel's rubbery face, listening as her co-producer unblushingly raved about their handiwork, she was happier than she had been in a long time

Sitting in the dark theater, he smiled, not at the comic magician who was performing in front of the closed stage curtains, but at his own sudden, youthful exuberance.