Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions

Đáp án A

- Obligatory /əˈblɪɡətri/ (adj): bắt buộc

- International /ˌɪntəˈnæʃnəl/ (adj): quốc tế

- Geographical /ˌdʒiːəˈɡræfɪkl/ (adj): (thuộc) địa lý

- Undergraduate /ˌʌndəˈɡrædʒuət/ (n): sinh viên chưa tốt nghiệp