I. Choose the word whose underlined part is pronounced differently from that of the others by circling the corresponding letter A or B, C, D.
1. A. happy B. apple C. act D. aunt
2. A. mind B. bike C. fit D. tidy
3. A. school B. chair C. church D. chat
4. A. health B. team C. tea D. sea
5. A. sun B. fun C. son D. put
6. A. excited B. interested C. worried D. painted
7. A. use B. computer C. duty D. shut
8. A. chair B. fair C. pair D. are
9. A. how B. know C. town D. brown
10. A. season B. break C. great D. steak