3/ Supply the correct form of the word in the brackets: 1. As a____________, he knows which substance is bad for health. (chemical) 2.____________and physics are her favorite subjects at school. (chemical) 3. She had a backache because of her____________seat. (comfort) 4. Due to economic crisis, this company has fired about 100_____________(employ) 5. Many people have to live in poverty because of______________(employ) 6. The television was his only source of_____________(entertain) 7. The show we watched on TV last night was very_____________(entertain) 8. Jack is 1 of the most famous_______________in the field of music. (entertain) 9. I really don't know that his_______________is, but definitely not Korean. (nation) 10. Many people think Korean will be a______________language someday. (nation) 11. The meeting was_______________organized, so nobody complained about it. (profess) 12. As a______________model, she knows how to do the catwalk properly. (profess) 13. I have been interested in teaching_______________since I was young. (profess) 14. The______________is angry right now. Don't mess with him! (profess) 15. Painkillers can never_______________stress completely. (relief) 16. We all felt_______________after hearing that everything was alright. (relief) 17. The little birds are_______________whenever their mom leaves the nest. (safe) 18. Everybody was worried about your_______________(safe) 19. She always wanted to become a________________(science) 20. Marie Curie harboured a________________career as she was young. (science) 21. You have to work_______________if you want to have good results. (science) 22. It______________takes several years for a businessman to achieve such success. (type) 23. Ngan is just a________________teenager who thinks teen-code is a cute way of talking. (type)