Choose the word that has underlined part pronounced differently from the others

1. a. planet             b. character             c. happy                  d. classmate

2. a. letter               b. twelve                  c. person                d. sentence

3. a. humor             b. music                   c. cucumber           d. sun

4. a. enough           b. young                   c. country               d. mountain

5. a. sociable          b. ocean                   c. receive               d. special