I. 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

16. A. sick                               B. swimming               C. itchy                       D. riding

17. A. really                            B. healthy                    C. regularly                 D. identify

18. A. bad                               B. tall                          C. dad                         D. sad

19. A. although                       B. enough                    C. paragraph                D. cough

20. A. traditional                     B. essential                  C. audition                  D. picture

21. A. attract                           B. actor                       C. guitarist                  D. gallery

22. A. delicious                       B. special                     C. musical                   D. physician

23. A. answer                          B. further                    C. butter                      D. birth

24. A. burn                                          B. collect                     C. alone                       D. neighbour

25. A. chimpanzee                  B. mechanic                C. chemistry                D. earache