全部

1·These students always sing an English song before class.

这些学生总是在课前唱一首英文歌。

2·The student on duty should hand out the exercise books before class.

值班生应该在上课前分发练习本。

3·Let me finish this diagram I started before class.

让我把这张课前画的图画完。

4·Before class, review your notes you have taken before you come to class.

课前复习来上课前做的笔记。

5·Before class ended, one student asked if the last question would count toward our grade.

下课前，一个学生问最后一个问题是否算在我们的分数里。

6·Run through your notes before class.

上课前把笔记复习一下。

7·I have to bat out a term paper before class.

我必须在上课前匆匆写出一篇学期论文。

8·He told us a story full of humor before class.

他在上课前给我们讲了个非常幽默的故事。

9·Next time maybe we'll charge it up before class.

下一次或许我们，会在课前把它充上电。

10·Please tune up your instruments before class.

请在上课前调好乐器的音调。