----- Nội dung dịch tự động từ ảnh ----- 1. I have had (have) four exams so far this month. 2. Mr Tan has taught (teach) in this school for over ten years. 3. You (not stop) talking since you got here! 4. Scientists (find) more than 30 unknown insects. 5. She (not see) Nathan since he left the town. 6. Someone (break) a window in our classroom. 7. We (not decide) what to get Mark for his birthday yet. 8. I (already/ finish) my homework. It was easy! 9. Jorge (not play) tennis since his injury. 10. My parents (be) to Australia three times.