Complete the dialogues, use Present perfect or Past simple.
Steve : I never (be) to Russia.
Barbara : I (live) in Moscow for a month last year.
Steve : Yo ever (be) to St. Petersburg?
Barbara : No, but a friend of mine (stay) there for week two years ago. He (enjoy) it very much.

Steve: I have never been to Russia.

Barbara: I lived in Moscow for a month last year.

Steve: Have you ever been to St. Petersburg?

Barbara: No, but a friend of mine stayed there for a week two years ago. He enjoyed it very much.