Circle the word that has the underlined part pronounced differently

I. Circle the word that has the underlined part pronounced differently.

1. A. door                       B. afternoon                    C. school               D. spoon

2. A. crowded                 B. hometown                  C. tomorrow          D. how

3. A. badminton              B. island                         C. family              D. Maths

4. A. hour                       B. homework                  C. headache          D. history

5. A. teacher                   B. read                           C. peacock            D. bread