I. Choose the words whose underlined part is pronounced differently from that of the others in each group.
1. A. gentle B. kennel C. generate D. genetics
2. A. chemist B. cholera C. machinery D. mechanic
3. A. drama B. mammal C. damage D. grammar
4. A. cherish B. chorus C. scholarship D. chaos
5. A. college B. privilege C. message D. collage
6. A. science B. technique C. benefit D. realistic
7. A. development B. effect C. relate D. technology
8. A. school B. archaeologist C. choose D. chemistry
9. A. leader B. great C. disease D. clean
10. A. bound B. around C. about D. cough
11. A. experiment B. energy C. negative D. expensive
12. A. summary B. satisfy C. happy D. physical
13. A. telephone B. solar C. robot D. explore
14. A. airports B. ways C. questions D. pictures
15. A. presentation B. nation C. question D. mention
16. A. explore B. improve C. positive D. possibility
17. A. power B. slow C. town D. how
18. A. language B. orange C. ginger D. gun
19. A. give B. smile C. drive D. blind
20. A. between B. sweet C. engineer D. employee
21. A. tool B. moon C. soon D. cook
22. A. crossed B. followed C. fluttered D. happened
23. A. tear B. bear C. hear D. fear
24. A. think B. through C. thing D. thumb
25. A. sew B. few C. drew D. news
26. A. community B. sensitive C. variety D. interactive
27. A. connect B. perfect C. select D. correct
28. A. verbal B. customer C. generous D. afternoon
29. A. connection B. creation C. information D. suggestion
30. A. table B. climb C. cube D. stab
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