How to use "glancing" in a sentence

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

When she opened the door, he came in fast, almost in a crouch, glancing past her, left and right, toward the living room, then toward the dining area, speaking rapidly, urgently

"Like the newspapers, for one," Elliot said, accelerating across the intersection, glancing in the rearview mirror

Frowning, glancing up at the heating vents, he started to get out of his chair.

"Soon now," Tina said, glancing at the map that was open on her knees.