Mark the letter A, B, C or D to indicate the word whose underlined part differs from the other three in
pronunciation in each of the following questions.
1. A. allergy B. digest C. oxygen D. sugar
2. A. breath B. head C. health D. heart

Mark the letter A, B, C or D to indicate the word that differs from the other three in the position of
primary stress in each of the following questions.
3. A. skeletal B. nervous C. acupuncture D. respiratory
4. A. harmony B. precaution C. enhance D. emotion