I. Choose the word whose underlined part is pronounced differently from the others.
1. a. free/fri:/ b. team/ti:m/ c. read/ri:d/ d. idea/aɪ'dɪə/
2. a. swimming/'swɪmɪŋ/ b. skipping/'skɪpɪŋ/ c. driving/'draɪvɪŋ/ d. fishing/'fɪʃiŋ/
3. a. racket/'rækɪt/ b. skateboard/'skeɪtbɔ:d/ c. games/geɪmz/ d. player/'pleɪə/
4. a. thing/θɪŋ/ b. father/'fɑ:ðə/ c. healthy/'helθɪ/ d. three/θri:/
5. a. rackets/'rækɪts/ b. goggles/'gɔglz/ c. skis/skɪz/ d. skateboards/'skeɪtbɔ:dz/