----- Nội dung ảnh ----- 1. I was cycling with my friends while my sister was playing in the park. 2. Jim was walking on the sidewalk when he saw his teacher. 3. The workers were repairing the bridge at 8:00 yesterday morning. 4. They were repairing the road at 3:00 yesterday afternoon. 5. My sister was picking up trash in the neighborhood all morning yesterday.
