我们不能在教室里跑。

We mustn't run in the classroom!

不要在教室里吃东西！

Don't eat in the classroom!

把你的海报贴在教室里。

Put up your posters in the classroom.

在教室里展示你的演讲。

Put up your speech in the classroom.

他们通常在教室里吃饭。

They usually eat in their classroom.

我们经常在教室里听磁带。

We listen often to tapes in the classroom.

在教室里，亨利在我的右边。

In the classroom, Henry's on my right.

艾米，不要在教室里吃东西。

Amy, don't eat in the classroom.

在教室里开一个简短的会议。

Have a short meeting in the classroom.

然后把你的评论贴在教室里。

Then put your review up in the classroom.