If this works I'll be shocked.
Edit: Well I'll be. Hurray for technology doing what it's supposed to do!
Anyway, le prompte: ask the question.
"Does anyone have a question?" the teacher growled with angry eyes. His gaze latched onto a pale, quaking hand near the back and he grunted in its direction.
"Um, excuse me, sir?" a weak voice wavered across the room.
"Well," the teacher snapped, "that's not much of a question at all!"