A. though
Đáp án B (“ou” đọc là /a/, còn lại là /ɔː/)
A. thought /ˈθɔːt/ (v): suy nghĩ
B. tough /tʌf/ (adj): rắn
C. taught /tɔːt/ (v): dạy học
D. bought /bɔːt/ (v): mua
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.