----- Nội dung ảnh ----- 1. Sang doesn't clean his bedroom every day. 2. The Youth Union will organize a campaign to protect the environment. 3. People have repaired the building since last Sunday. 4. The police questioned the young men yesterday. 5. We will send you the results as soon as they are ready. 6. The local authority should install more dustbins in public places. 7. People were repairing the cinema when we came.
