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Câu hỏi: 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.
A. conference
B. confidence
C. concept
D. contribute
A. conference
B. confidence
C. concept
D. contribute
/'kɒnfərəns/, /ˈkɒnfɪdəns/, /'kɒnsept/, /kən'trɪbju:t/
Đáp án D.