I. Find the word which has a different sound in the part underlined:
1. A. exhibition B. question C. collection D. tradition
2. A. pleasure B. leisure C. closure D. sure
3. A. saxophone B. music C. so D. expensive
4. A. happy B. apple C. act D. aunt
5. A. school B. chair C. chess D. chat
6. A. stayed B. listened C. played D. stopped
7. A. why B. who C. when D. where
8. A. bread B. seat C. beat D. heat
9. A. chat B. teacher C. chemistry D. children
10. A. provided B. watched C. finished D. stopped
11. A. son B. come C. some D. open
12. A. meat B. reading C. bread D. seat
13. A. works B. plays C. wants D. stops
14. A. put B. lunch C. sun D. fun
15. A. school B. chair C. chess D. chat
16. A. naked B. listened C. played D. opened
17. A. why B. whole C. when D. what
18. A. teacher B. great C. beat D. heat
19. A. chair B. teacher C. chemistry D. children
20. A. wanted B. watched C. finished D. stopped