I. Choose the word whose underlined part is pronounced differently from the others 1. A. thirsty B.throw C. theme D. there 2. A. breathe B. fourth C. tooth D. warmth 3. A. then B. thing C. them D. their 4. A. birthday B. mouthful C. although D. worth 5. A. everything B. rhythm C. healthy D. Nothing 6. A. Snow B. show C. firework D. opening 7. A. country B. nearly C. why D. widely 8. A. classes B. closes C. misses D. pratices 9. A. looked B.cared C. closed D. lived 10. A. played B. helped C. missed D. booked 11. A. snow B. show C. firework D. opening 12. A. classes B. closes C. misses D. pratices 13. A. looked B.cared C. closed D. lived 14. A. played B. helped C. missed D. booked 15. A. booked B. laughed C. kissed D. healed 16. A. reuse B. recycle C. rewrite D. resident 17. A. apple B. hard C. cat D. hat 18. A. booked B. laughed C. kissed D. healed 19. A. reuse B. recycle C. rewrite D. resident 20. A. apple B. hard C. cat D. hat