Giúp mk vs, cần gấp Mark the letter A, B, C or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions (ea). * 1 điểm A. disappear B. head C. health D. ready 2. Mark the letter A, B, C or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions (ed). * 1 điểm A. widened B. listened C. existed D. warned 3. 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. * 1 điểm A. convenient B. important C. reduce D. fashion 4. 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. * 1 điểm A. nation B. country C. plumber D. environment