A. MEDIUM B. INVENTOR C. PRESIDENT D. LECTURERB. CHOOSE ONE WORD WH...

3. A. medium B. inventor C. president D. lecturerb. Choose one word whose stress pattern is different. Identify your answer by circling the corresponding letter A, B, C or D4 A. abroad B. noisy C. hundred D. quiet5 A. variety B. irrational C. industrial D. characterizeII. VOCABULARY AND GRAMMAR: Choose the best answer A, B, C or D.