现在我在课堂上很活跃。

Now, I'm very active in class.

youdao

现在我在课堂上很活跃。

Now I am very active in class.

youdao

你是在课堂上很活跃。

You are very active in the class.

youdao

他们在课堂上很活跃，有时甚至能走上前来与我说英语。

They are the most active in class, and will sometimes go out of their way to speak English with me.

youdao

他们在课堂上很活跃，有时甚至能走上前来与我说英语。

They are the most active in class, and will sometimes go out of their way to speak English with me.

youdao