Translation of be mistaken in Spanish

I was one time in Oxford. I'm studying social work in Austria. I'm living near Salzburg. It's in the middle of Austria. What are you doing in Oxford? Studying, teaching or working? Please stay in touch with me.
Well I take Spanish classes in college, that's the only useful language they offer, but if they had French I would be taking French. It sounds so nice. I have been lazy lately and I'm not really good at it.
Dinner was nothing special in this town and the restaurant wasn't either. Most waiters and the owner himself were more interested in Chile's qualifying soccer game than in their guests.