Translation of interpolate 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.
i am student in Zurich. i think that you can learn Spanish quickly. I also registered just a month ago in order to practice some Spanish. i hope i will improve my Spanish soon at this website. We can do it together?
From there we took the bus to the main gate of the Machu Picchu ruins. Unfortunately we had to take the train back the same evening.