I. Choose the word whose bold part is pronounced differently from the others in each group.
1. A. souTHern B. feaTHer C. THere D. breaTH
2. A. belovED B. preparED C. retirED D. improvED
3. A. sprEAd B. dEAlt C. hEAt D. drEAmt
4. A. Occur B. cOnservation C. sOlution D. hOrizon
5. A. addressES B. abilitiES C. believES D. liES