I. Choose the word whose underlined part is pronounced differently from the rest
16. A. school B. chemical C. child D. ache
17. A. ocean B. concert C. musician D. official
18. A. excited B. interested C. painted D. worried
19. A. sources B. advantages C. shoes D. brushes
20. A. bear B. near C. hear D. clear
21. A. honest B. honor C. honey D. hour
22. A. seatbelt B. obey C. enter D. present