You don’t look       . You’d better go to see the doctor.

---Excuse me , would you please speak a little more ____?---Sorry, I thought you could follow me.

---What do you think of the 3D film UP?---I enjoy it from beginning to end. This is the best one I have        seen.

Zhalong is an ideal home for wildlife . Many birds can find food ____ there . 

I _____ walk to school. But this morning I took a bus because I got up late.