Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the orther three in pronunciation in each of the following questions.

Kiến thức: Cách phát âm “o”

Giải thích:

stone/stoun/                          top/tɔp/                                    pocket/'pɔkit/                         modern/'mɔdən/

Đáp án: A