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.
thin
climb
spin
sing
A. thin /θɪn/ (adj): gầy
B. climb /klaɪm/ (v): trèo, leo
C. spin /spɪn/ (v): xoay, quay
D...