1 - to, at, at

2 - on, at

3 - to, to

4 - __, at, for

5 - in

6 - to

7 - in

8 - __, on

9 - at

10 - of

11 - on, at, to, __

12 - for, in

Ответ:

1. to, at, at

2. on, at

3. to, to

4. -, at, for

5. in

6. to

7. in

8. -, on

9. at

10. of

11. on, at, to, -

12. for, in