1. were 2. were 3. (should) join 4. Were 5. (should) try 6. (should) submit 7. (should) come 8. (should) attend 9. (should) attend 10. (should) come 11. (should) remember 12. won 13. (should) attend 14. thinks 15. (should) be invited 16. (should) be taken 17. (should) reduce 18. (should) be allowed 19. (should) monitor 20. (should) put
