Помогите,пожалуйста. Вставьте подходящий предлог времени (at, in, on) там, где это необходимо 1. Dinner is usually ______at_____ 7 o’clock. 2. We went to Scotland _________ last summer. 3. We have long holidays _______in____ summer. 4. When have we got Biology? - _________ Friday mornings. 5. There is a school party ___________ 31st January. 6. We are _____________ the 21st century. 7. The game is ____________ 9.45. 8. Is there a party ____________ your brother’s birthday? 9. Where was he _____________ the weekend? 10. Where is he ___________ the moment? 11. Your teacher isn’t here ___________ present. 12. There are usually a lot of parties _________ New Year’s Eve. 13. He wasn’t there _________ the end of the concert. 14. Where are you usually __________ the evening? And __________ night? 15. Do you get any presents ___________ Christmas Day? 16. He was born ___________ 1999. 17. We usually go there ___________ weekends ___________ spring. 18. He phoned me ____________ Tuesday. 19. We went to bed late ____________ last night. 20. He gets up ___________ 7 o’clock ___________ weekdays. 21. She was in hospital ___________ that time. 22. The school party is ___________ June 8th __________ 8 o’clock. 23. I'm leaving __________ next Saturday.