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.