I. Choose the word whose underlined part is pronounced differently from the others
1. A. airports
2. A. chemist
3. D. undo
4. B. fairy
5. B. sure
6. B. agency
7. A. measure
8. D. poison
9. A. shake
10. C. northern
11. D. verbal
12. D. vein
13. A. accurate
14. D. furious
15. A. diving
16. C. cold
17. B. sugar
18. A. valentine
19. B. future
20. B. cost
21. C. wealthy
22. C. section
23. B. current
