老师：现在上课。今天轮到谁了？

Teacher: Now, let's begin the class. Who is on duty today?

youdao

请不要讲话，现在上课了。

Stop talking, please. It's time for class.

youdao

他现在应该是在上课。

He should be having class now.

youdao

他现在正在上课。

He is at school now.

youdao

现在是九点钟，我们正在上课。

It's nine o 'clock. We are having classes.

youdao

现在是九点钟，我们正在上课。

It's nine o 'clock. We are having classes.

youdao