I sit in the classroom.

我坐在教室里。

I sit near the classroom.

我坐在教室附近。

He is not in the classroom.

他不在教室里。

Don't eat in the classroom!

不要在教室里吃东西！

Sam came into the classroom.

山姆走进了教室。

Can we eat in the classroom?

我们可以在教室里吃东西吗？

Don't shout in the classroom.

不要在教室里喊叫。

They are not in the classroom.

他们不在教室里。

Anna crept into the classroom.

安娜悄悄走进教室。

I won't play in the classroom.

我不会在教室里玩。