Choose the word whose underlined part is pronounced differently

1. a. bad                          b. day                       c.  sad                                 d. catch

2. a. greet                        b. teeth                     c. knee                                d. deer  

3. a. sign                         b. high                      c. sit                                    d. mind

4. a. pick                         b.  invite                   c. ticket                              d. kitchen

5. a. lock                         b. shock                   c. block                               d. program