—____ are you?—I’m twelve.

Your English teacher has never lost his temper, ___________ he?

 —He's never late for school, _________? —_____, never. He always gets to school on time.

 —Visitors need to know all the travel routes to Paris, ______? —Sure. But The trip has not arranged.

--_____ is the bag?  --I think it is our ______.