Вставьте предлоги in и at.

1.....school he was very good pupil. 2. ... the age of 17 he entered the University. 3. ... last I got tickets for this performance. 4. He spent his childhood ... the North. 5. She spoke ... a loud voice. 6. I'll be back ... an hour. 7. He left the documents ... the office. 8. She writes letters ... French. 9. I like to drink coffee ... din-ner. 10. The vacation begins ... a week. 11. What time does the sun rise ... December? 12. My mother likes to write ... ink. 13. She lived ... that place a year ago. 14. She does everything ... the way I prefer. 15. He has travelled a lot... the East. 16. The delegation arrived ... the beginning of this month. 17. They have dinner ... noon. 18. Read the first sentence ... the top of the page. 19. He always comes ... time. 20. She is not ... home, she is ... a concert. 21. The car is ... the house. 22. ... first I could not understand anything. 23. He changed the train and arrived ... Moscow ... four o'clock. 24. Don't sit so long ... the sun.