----- Nội dung dịch tự động từ ảnh ----- Hãy chuyển các câu sau sang dạng 1. I have finished my housework. 2. He has signed the minute. →>> 3. He has taught at the school for 5 years. ->> 4. We have collected the stamps for 9 weeks. .... ->> 5. They have taught Enlish for 20 years. 1 1 ... 6. We have looked for a job for 4 days. -> 7. They have painted the window for three hours. 8. We have left for Da Nang for 6 years.