For a moment he stood there with his mouth open in amazement.
The world's last hope only stood there with his mouth hanging open.
When I looked round he was standing there with his mouth open, trying to say something.
For a minute Rand stood there with his mouth open.
Mikka stood in front of him with her mouth open.
I turned to the butler who was standing with his mouth open.
He turned to a local doctor, a young man who, for some thirty-five minutes, had been standing there with his mouth open.
For fifteen seconds I stood there with my mouth open.
Old Sunny just stood there next to him, with her mouth open and all.
He just stood holding the melon, with his mouth open.