1. Ricky has travelling round Brasil for fifteen days alone or with his family?
2. How long have your friends flying over the Pacific Ocean?
3. What Emily has doing since she came?
4. How long Dave has studying at school?
5. I have looking for my English text book everywhere.
6. My brother has painting since he was six years old.
7. Whom Victor has already writing the letter for two hours?
8. How long the pupils have playing computer games in the hall?