WashingtonD.C(华盛顿)is ____of America. A. a capital B. capital C. the capital D. an capital
--- _______ going fishing? --- That’s a good idea.
Can you _______ it _______ English?
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.