______milk do we need?—Just one cup.[ ]

What do you think of Duan Linxi’s song ?—I think it’s ________best song in the world. Isn’t it _______ beautiful one?

I often go to school_____foot, but I had to go to school_____taxi yesterday because of rain.[ ]

I was leaving the office when it suddenly 　　　 to me that I had forgotten my keys.

This is my friend. He is a boy. ______name is Tony.