I. Choose the word whose underlined port is pronounced differently from the others.
1. A. cooker B. teacher C. celebrate D. pleasure
2. A. hour B. horse C. hobby D. hope
3. A. result B. unusual C. uncle D. difficult
4. A. rest B. help C. garden D. identify
5. A. saved B. interested C. volunteered D. disabled
6. A. talk B. salt C. sausage D. cause
7. A. pork B. flower C. cow D. flour
8. A. children B. charity C. itchy D. school
9. A. piano B. fish C. like D. badminton
10. A. bowls B. eggs C. sausages D. hamburgers