If you want to see Mr. Johnson on Friday morning, make sure he is ______ ahead of time.
They don't study in NO 1 middle school, ___ those boys.
Bill was staying on a farm with his uncle last summer. So ___ Mary.
The house you have just bought is ___ mine.
---How many eggs are still there in the fridge, Bill? --_____.
About ___ of the teahers is our school ___ young people under thirty.