Make question for the underlined parts dấu gạch chân pencils 4.There are pencils dấu gạch chân 20 5.I'm 20 years old dấu gạch chân 45 years old 6.Her father is 45 years old dấu gạch chân tuan 7.His name is tuan dấu gạch chân in the classroom 8.We are in the classroom dấu gạch chân Quang Ninh 9.I live in Quang Ninh dấu gạch chân Yes, the are her pens 10.Yes, the are her pens dấu gạch chân class 9C 11.She is in class 9C dấu gạch chân the second floor 12.Her class is on the second floor làm giúp mik nha