Spanish at the Orthodontist

While I was at the ortho I meet some Spanish speaking people. I was in the back when they came in. The only thing that I could understand was hola. They were from Mexico, but they also knew English. My orthodontists guys was trying to speak in spanish to, but he only knew simply words. He asked them some things and how they would say it in spanish, but I had no idea what they were saying, since we hadn't learned it yet. That was the first time I had every encountered spanish at the orthodontists.