Exercise 2: Choose the word whose underlined part is pronounced differently from that of the others.
11. A. gather B. bathe C. birthday D. weather
12. A. tooth B. breathe C. through D. earth
13. A. reusable B. contest C. tennis D. helicopter
14. A. marathon B. match C. active D. many
15. A. wireless B. exciting C. outside D. electric
16. A. boat B. pagoda C. crowded C. postcard
17. A. house B. around C. about D. country
18. A. machine B. hi-tech C. locate D. cable
19. A. score B. ocean C. location D. program
20. A. party B. paper C. plant D. glass