Помогите! срочно надо. пожалуйста. упражнение 13

1.Have you seen Bob today? When did you see him? 2. Have you sent the letter already? When did you bring the letter to post? 3. Have you already bought a gift for her? When did you go to the shop?4. Have you gone already to the bufet? When did you have a lunch break? 5. Have you heard news on radio? When the news were casting? 6. Have you already past your exams? When did you pass it?7. Have the British delegation arrived already? When did they arrive? 8. Have you seen this film? Yes, I have seen it few times. 9. Have they been on exhibition? When did they go on exhibition? 10. I have woke up too early today. When did you wake up? 11. Has the collection been started already? It started hour ago. 12. It was a long time ago. I have known about this.