Translation of enroll in Spanish

We wanted to take a hot shower but there was no hot water at all. We asked someone to fix it and he showed us that there was a heating switch outside the bathroom which would turn on the boiler.
Yes, I received your messages. What do you think about vocabulix? I think it's a good idea to learn English. I really like it in New York City although the pollution is bad. How about your place?
The biggest city in Germany is Berlin. The other big cities are not as big but some of them are really nice. And especially the smaller cities here are very charming and worth visiting.