1. - Has your friend returned from Italy?- Yes. I met him at the airport to days ago.2. - Has she already sent the letters?- No. She hasn't written them yet.3. Haven't I shown you my photos yet?- You'd shown them last week.4. - When did she leave to the Great Britain?- She hasn't gone yet.5. - Have you met Nelly today?- No, I haven't seen her today.6. - When did he buy this disc?- He bought it three days ago.7. - Where have you been this year?- We've been at the sea. We were there two months ago.8. - Who has she just been talking with?- She has been talking with her brother. He returned from Japan a week ago.9. - How long does she know you?- We've known each other for six years.10. - Which dress did you choose?- I haven't chosen a dress yet.11. The girls have been playing volleyball for fifteen minutes.12. He hasn't talked to us for three days.13. She has been looking for this house for forty minutes.14. - How long have you been waiting for the secretary?- I've been waiting for half an hour.15. My sister has been studying the history of this country for two years.16. - Where is Anne?- She is writing something in her room. She has been writing since morning and even hasn't had lunch yet.17. - Does he always go to the pool on Tuesdays?- Yes. He has been swimming since 5 y.o. Now he's getting ready for international competitions.18. - Do you drink coffee?- Yes. I drink coffee with milk. And you?- No, I prefer tea.19. - Which movie are they watching?- They are watching a thriller. They've been watching it more than an hour.20. - Where are your parents now?- They are travelling in Europe. They've been travelling for three weeks. They've already visited three countries.