Bil: Mark letter A, B, C, or D to indicate the word whose underlined part is pronounced differently from that of the others in each group. 1 2 A. southern 2. A. passed A. assure B. birthday considerable B. behaved 10 B. pressure Bài 2: Mark the letter A, B, C, or D to indicate the word whose main stress position is placed differently from that of the others in each group. C. authentic B. anniversary C. entertained D. tablecloth D. changed C. Illiteracy C. figure D. leisure D. cooperative