. Choose the words whose underlined part is pronounced differently from that of the others in each group
1. A. put B. adult C. junk D. sun
2. A. itchy B. riding C. sick D. swimming
3. A. chemical B. children C. headache D. architect
4. A. regularly B. identify C. really D. healthy
5. A. cycling B. doctor C. aerobics D. calories
6. A. coordinate B. triathlon C. allergy D. calorie
7. A. leaf B. life C. knife D. of
8. A. monopoly B. melody C. compound D. concentrate
9. A. paragraph B. cough C. although D. enough
10. A. vegetarian B. depression C. essential D. attention
11. A. myth B. cycling C. itchy D. allergy
12. A. headache B. spread C. health D. weak
13. A. fat B. leaf C. of D. safe
14. A. flu B. sunburn C. junk D. much
15. A. wash B. wear C. wake D. wrap