1. when 2. when 3. which 4. that/which 5. that 6. where 7. that/which 8. where 9. which 10. where
11. where 12. which 13. when 14. that 15. that 16. that 17. (that) 18. which 19. (that/in which) 20.that
21.that 22 which 23.whose 24. where 25. whose 26. whom 27. when 28. that 29. that 30. where
Keys:
1-5 DACAD
6-10 ADABA
11-15BABCA
16-20 ACACB
21-25 BCBBD
26-30ACACA
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