—Congratulations! Among the best pictures in the competition,I found _______. Why did you draw it?一During the trip to the Yellow Mountain _______ May.
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? --_______.