英语短文改错 I have two foreign friends.

英语短文改错 I have two foreign friends.
I have two foreign friends,Karl and Vance,they
come from the USA.Now they are teaching English
in the university in Naijing.Last year they paid a
visit to our school.I never met any foreigners
before and wanted very much know how I was
getting on with my spoken English,because I went
over to talk with them.All of them were surprised that a
school student could speak English and suggested to
taking a photo together.Since then we become good
friends and now write English letter to each other often