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 the primary stress in each of the following questions.
Đáp án đúng là: B
Giải thích
Kiến thức trọng âm
A. explain/ık’splein/ B. happen /’hæp.ən/
C. decide /dɪ’ sard/ D. combine /kəm’baɪn/
