Trắc nghiệm: * Mark the letter A. B. C or D on your answer sheet to indicate the word whose differs from the other three in stress in each of the following questions.,Mark the letter A. B. C or D on your answer sheet to indicate the word whose differs from the other three in stress in each of the following questions.,Mark the letter A. B. C or D on your answer sheet to indicate the word whose. differs from the other three in stress in each of the following questions.