Ответ:
1. I have never seen a lizard.
2. They have already traveled about the country.
3. How many books have you read so far?
4. She finished her homework fifteen minutes ago.
5. Mike is not at home, he has just left.
6. Nigel didn't buy the CD himself it's a present
7. When did he meet Jason last.
8. ...your father you a new skateboard?
9. She has already forgotten about our plan.
10. The children have flown a kite just now.
Объяснение:
В 8 нет никакого действия, так что определить что написать там просто нельзя.