Giúp mình với mình cần gấp lắm

Ex 11: Underline the syllable that receives the main stress in each of the words. 1. compete 2. competition 3. competitor 4. harmony 5. harmonious 6. harmoniously 7. able 8. ability 9. unable 10. industry 11. industrial 12. industrialize 13. photograph 14. photographer 15. photographic ...