---Why do you keep the windows open on such a cold day? ---There are so many students here, so we want to keep the air nice and __.

--- Do you go to the cinema to see 3D Titanic last night? --- No, I _______ go to the cinema. The tickets are too expensive.

---________ is it from here to the station? ---It's about five kilometers away. 

 Uncle Li is hardly ever tired. He’s really        .

 The doctor told Mom to eat      vegetables and      meat because she was getting fatter and fatter.