----- Nội dung ảnh ----- Exercise 12: Underline the mistake and rewrite the correct one. 1. My father was driving to work when he saw an accident on the road. 2. Ngoc was dancing in her room while her brother was playing video games. 3. The volunteers made a meaningful contribution to the local orphanage. 4. Linda wishes she had a new smartphone and a new bike. 5. I want to observe the changing colours of the leaves in autumn. 6. I was waiting for the bus when I realised I had forgotten my umbrella. 7. We wish that our parents didn't have to work so hard. 8. Cultural preservation includes safeguarding intangible heritage like music and dance. 9. He has been fixing the car in the garage for weeks because it kept breaking down. 10. Minh and Quang are having a picnic in the garden at 3 p.m. last Saturday. 11. She wishes she had a villa with a swimming pool and a beautiful garden. 12. We should protect valuable artefacts from being stolen or sold illegally. 13. I wish I could read minds and know what people are thinking. 14. The baby was sleeping peacefully when the phone will ring loudly. 15. My sister attends a cooking class to learn how to make new recipes three months ago.