Question 4: Circle the underlined part of word pronounced differently from others. There is one example: (2.0 pts)
Example: 0. A. nine B. fine C. big D. five
1. A. theater B. teaching C. speaking D. reading
2. A. church B. children C. school D. change
3. A. national B. teenager C. natural D. animal
4. A. night B. mine C. file D. this