They came to the city the day before yesterday, ______ they?A. did B. weren’t C. didn’t
There are six floors _______ our school buildings. Our classroom is _______ the third floor.
--Would you like a glass of water? ---_________________.
Don’t eat ______ sugar, you will get _______ fat.
He never _______ hamburger _______ sweets.
--How many people are there in the city? --_______.