1.
1. I have never visited Greece.
2. Janet has lived in London since 2008.
3. She has already booked the hotel room.
4. I haven't been abroad for years.
5. Have you ever ridden a bike?
6. Anton has just missed the bus.
7. The Smiths have just reached Moscow.
8. They haven't been in a cable car yet.
2.
- Have your parents ever travelled to Greece? - Yes, they have./ No, they haven't.
- Have you ever ridden a scooter? - Yes, I have./ No, I haven't.
- Has your teacher ever seen a ghost? - Yes, she(he) has./ No, she(he) hasn't.
- Have you ever been on a double-decker bus? - Yes, I have./ No, I haven't.
- Have your friends ever spent a night in a caste? - Yes, they have./ No, they haven't.