**Sửa lỗi sai 1. That pagoda was repainting when we visited it last week. 2. The classroom was cleaning when I came yesterday morning. 3. Since this book was first publishing in 2018, over 6000 copies have been sold. 4. Our car couldn’t use yesterday because it was broken. 5. The picture was painting by Michael ten years ago. 6. Why didn’t you have the car repair last week? 7. A very big cake was made at this time yesterday. 8. The classroom was being clean when the teacher came. 9. We had to stay in my sister’s room while mine was decorating. A. while B. in C. had to D. was decorating 10. The exercise corrects by the teacher everyday.