That class is over.这节课结束了。Class is over.下课。（由于我老师一下课就喊这两句，所以绝对不会错的啦）
用over造句
Let's go over to see what is happening there.
We have gone over all those new words.
祝你开心如意！2012-12-04
The class is over. The game is over. The car is over there.2012-12-04
My homework is overed2012-12-04
game over2012-12-04
That class is over.这节课结束了。
Class is over.下课。
（由于我老师一下课就喊这两句，所以绝对不会错的啦）2012-12-11
It's over. 结束了。2012-12-04
