I. Choose the words whose underlined part is pronounced differently from that of the others in each group 1. A. exciting B. excellent C. experience D. expensive 2. A. hobby B. cycle C. bye D. why 3. A. pottery B. collect C. melody D. monopoly 4. A. bird-watching B. children C. school D. challenge 5. A. future B. return C. picture D. culture 6. A. piano B. fish C. like D. badminton 7. A. arrange B. game C. make D. skate 8. A. mother B. some C. cold D. come 9. A. absent B. government C. dependent D. enjoy 10. A. telephone B. post office C. directory D. moment 11. A. number B. Sunday C. excuse D. fun 12. A. second B. personal C. tomorrow D. movie 13. A. machine B. kitchen C. teacher D. children 14. A. city B. many C. country D. cry 15. A. book B. room C. stool D. school 16. A. soon B. see C. sure D. sorry 17. A. amazing B. orange C. table D. favorite 18. A. country B. journalist C. younger D. countryside 19. A. game B. arrange C. skate D. cake 20. A. hobby B. doll C. collect D. for