A. ghost B. tough C. laugh D. coughĐoạn văn35/50Mark 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.ghosttoughlaughcoughGiải thíchGiải thích: Atough, laugh, cough âm “gh” phát âm là /f/ghost âm “gh” phát âm là /g/