3) 1.Yes, in fact I have worked abroad.
2. I have worked in Ireland and in Brazil.
3. What about you? Have you ever had job abroad.
4. No, I have never wanted to leave my home town.
5. I have lived here for twenty years, and I have never thought of working abroad.
6. Really? Well, I have applied for another job abroad.
4) 1. I have known her for more than ten years.
2. I haven`t eaten anything since lunchtime.
3. Have you lived in this town for a long time?
4. Jill has been a good friend since were at school together.
5. Have you seen Jack since the party last week.