—_____ is it?—It’s a circle.
―What about this red T-shirt? , please.―Thank you. But it's a little too large.
—Could you please tell us __________?—Sure.
Peter is busy ___________ at school, but he never forgets __________ exercise every day.
—Leo, _________ no milk or eggs in the fridge.—I’ll go and buy some right away.
The camera is __________ expensive __________I can’t afford it.