who is book is this 哪里错

who is book is this 哪里错 this book is mine book.哪里错了?怎么改? who's book is this哪个词错了 改错Who's book is this?（） 改错 Who's book is this? This is a nice book哪里错了? This is a English book哪里错了 This book is her.这句话错在哪里? who‘s red skirt is this哪里错的 Who bag is that?Whose is that girl?This book is mine book.Th Who is the man who is reading a book over there?请问错在哪里?并说明原因 who is this book?it’s hers改错