Some students even have no idea of they are studying, so they waste much time playing.
___ he will leave for Beijng.
--Excuse me ,could you tell me where the post office is ? ---Ok.Between the two white buildings ___ the post office.
The girl devoted all her spare time she had ___ others.
This is such a wonderful film ___ we have never seen.
___ nice, the food was sold out soon.