----- Nội dung dịch tự động từ ảnh ----- 1. Frank exchanged some used paper notebooks yesterday. 2. Mr. Ryan did not run a marathon and raised money for a charity last Sunday. 3. Donors gave 50 homeless people a sum of 7,500 US dollars last year. 4. She started volunteering at the Clearlake animal shelter five years ago. 5. We donated old textbooks to children in rural areas.