Odpowiedź:
1. Where have their children gone?
2. What has Jeremy bought?
3. How much have you paid for the tickets?
4. How long have Mark and Jessica know each other?
5. How long have you worked together?
6. Where has your aunt moved?
7. Who has changed a job recently?
8. Why have the Browns visited you?
9. How many books have you read in this month?
10. Since when has Mary sent 6 emails?
