"Ο καθηγητής μας μίλησε για τον παγανισμό."

Translation: Our teacher spoke about paganism.

[soffod]

"Our professor talked about paganism" should be accepted

[LadyMac1000]

I agree, that's what I wrote and I don't understand why it wasn't accepted.

[jaye16]

This has been corrected and now "Our professor talked about paganism." should be accepted

[Vivliothykarios]

"Our professor spoke on paganism" was not accepted, but is a common expression to denote the topic of a speech/lecture. Could it please be considered for inclusion?

[Jacky904752]

Why not : The teacher spoke to us about paganism ?

[jaye16]

This was answered in a comment above yours.

[Jacky904752]

I don't see the answer on this page.