for/or/since допоможіть дам 40 баллов ​

Ответ:

1. since;

2. for;

3. for;

4. since;

5. for;

6. since;

7. since;

8. for;

9. for;

10. since;

11. since;

12. since;

13. for;

14. since;

15. for.