Mark the letter A, B, C or D A. disadvantages B. certification
3/15
Mark the letter A, B, C or D to indicate the word whose underlined part differs from the other three in the position of primary stress in each of the following questions.
disadvantages
certification
undergraduate
academic
Giải thích
Đáp án:B
Giải thích:Đáp án D, A, C trọng âm 3. Đáp án B trọng âm 4.