Translation of insert in Spanish

We felt a little dumb and waited for the hot water. The boiler seemed not to work and we started to become upset. We asked the technician to come once again and he admitted his mistake.
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.
We overflew beautiful, huge mountain ranges (Andes) just before landing in Cusco. The small domestic airport of Cusco immediately gives you the feeling that you arrived at the right place.