改错：This is my teacher.A.This B.is C.teacher

my father is teache句型结构是什么? 改错题：This is a my book. This is my school's day.改错. this is my father yellow shirt 改错 This is my black trousers改错 This is the my bag(改错） this is the my telephone改错 this is bob .his father is my aunt.改错 this is my room thanks to your letter改错 This is a picture in my famliy at home.改错 This is my an old ruler.改错.各位哥哥姐姐, My friend David is going to singsing this afternoon.改错 My friend David is going to singing this afternoon改错 This is my an ID card number 改错 This is a book for my father.英语改错.thank! This is my twelve birthday party(改错） This shirt is not my but his 改错 改错 This is my shirt,it's mine