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.

A. mechanic 

Chọn B

Giải thích: machinery phát âm là /ʃ/, còn lại phát âm là /k/.

A. mechanic /məˈkænɪk/      B. machinery /məˈʃiːnəri/                           C. chemist /ˈkemɪst/   D. cholera /ˈkɒlərə/