11.   It works, too, as long as certain people can be persuaded to keep their mouths shut.

12.   John keeps opening and shutting his mouth like a fish.

13.   This is all from Gran so keep your mouth shut.

14.   With that he shut his mouth firmly.

15.   Just keep your mouth shut.

16.   Keep yer mouth shut!

17.   His brother Raoul did it, but Leonel took the blame and kept his mouth shut.

18.   He opened and shut his mouth, unspeaking.

19.   If she had kept her mouth shut she would still have her job now.

20.   They told him to keep his mouth shut and left, not by the way they had come but through another door which led out through the bazaar.