I.   Choose the word whose underlined part is pronounced differently 1. A. hey                            B. honey                        C. obey                               D. grey 2. A. teaspoon                B. appear                     C. idea                              D. hear 3. A. safety                   B. traffic                      C. station                            D. plane 4. A. happy                        B. house                         C. here                                D. hour 5. A. chi cken            B. ar ch itect                    C. ch eap                           D. ch air 6. A. pollution                 B. question                     C. education                     D. action 7. A. renewable         B. energy                      C. plentiful                           D. electric