---Could you please tell me the meaning of this word?----I’m sorry I don’t know it ,either. Let’s ______in the dictionary.
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? --_______.