Something Strange while Practicing
So, I was just doing my Spanish practice, right? Strengthening those skills and such, when suddenly, a wild Russian question appears! I finish the practice session (which has completely converted to Russian) but remain very confused: why might that random switching-of-language have ocurred?
That sounds really strange. Do you even take Russian? Anyway, you can file a bug report here: https://support.duolingo.com/hc/en-us/requests/new. They will want screenshots if you have any.