Помогите пж быстрее ​

Question

Помогите пж быстрее ​

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Answer 1

1.on

2.on; at

3. on

4. at

5. on; at

6. on

7. in

8. on

9. at

10. in

11. at

12. -

13. in

14. at

15. -

16. in