A. definitions
Đáp án B
Kiến thức về cách phát âm đuôi -s
A. definitions /,defɪ'nɪ∫nz/ B. documents /'dɑ:kjumənts/
C. combs /koʊmz/ D. doors /dɔ:rz/
Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.