----- Nội dung dịch tự động từ ảnh ----- Ex2: Each sentence has one mistake . Find out and correct them. 1. My brother told me about the festival where is held in Hue every two years. 2. Have you seen the photo what I took at the camping trip to the mountain . 3. One of my friends who are the most adventurous likes exciting holidays. 4. It's the most famous singer who visited our school yesterday. 5. The girl whom is wearing a pink dress is my girl-friend. 6. The supermarket where was destroyed in the fire has now been rebuilt . 7. I have never forgot the day which we first met at Daisy's party. 8. Alexandra, that was born in the 18th century , invented telephone. 9. The book which cover is blue is my brother's gift for my 15th birthday. 10. Do you know the reason which she left her family when she was only 16 years old.