Last night,I was interviewed from USA.

For a long time , I want to study go abroad-USA.So,I contact with some hospital in USA.
Last night,I received the telephone from American for my English Interview.I was waiting for it for about 3 hours.
Hello,are you ------
yes,I am.

and then ,I talked to her somethings,for example,the whether,the icestorm,and so on.

Suddenly,she asked me where you learn English?

oh,I learn it in University,I talk to my patients ,my students.Because my students come from many countries,for example ,USA,England ,Norway .

oh,why you come to USA?

Can you tell me what techinques of operation you have mastered?