----- Nội dung dịch tự động từ ảnh ----- Exercise 2: Choose the word (A, B, C or D) whose main stress is different from the others in the group. 1. A. pollution B. protection C. interest D. announcement 2. A. destroy B. contain C. detail D. reduce 3. A. diverse B. unsafe C. marine D. harmful 4. A. become B. special C. open D. product 5. A. voucher B. shuttle C. online D. usual
Exercise 3: Choose the word/ phrase/ sentence (A, B, C, or D) that best fits the space in each sentence or best answers the question.