Goldman turned back to Casca, and his mouth dropped open in shock.

At one point, I reacted by dropping my jaw in shock and got a mouthful of hair.

He pulled it open, peered inside - and his mouth dropped open in shock.

His eyes widened almost comically, and his mouth dropped open in shock.

My mouth dropped open in shock and I think my heart skipped a beat.

She consciously had to keep her mouth clenched to keep it from dropping open in shock.

Gueryn's mouth dropped open in shock, but no words came.

The old man stumbled sideways, his jaw dropping in shock.

She looked up, her eyes focusing ahead on the path, and her jaw dropped in shock.

Indeed, the cook, entering with Meralda's breakfast plate, dropped it to the floor in shock.