My sister is seeing a book改错

My sister is seeing a book改错 It is my a book.改错是什么 改错题：This is a my book. This is a book for my father.英语改错.thank! 改错:Seeing is believe. My sister is reading a book.就划线部分提问reading a book是画线部分 The girl with a book on her hand is my sister 对with a book o my sister is a my sister favorite subject is art.改错 my sister favorite subject is math 改错 The girl which is reading a book under the tree is my sister My sister is going to buy a book tomorrw.划线提问