Who bag is that?Whose is that girl?This book is mine book.Th

Who bag is that?Whose is that girl?This book is mine book.Th Whose that book on the floor is?It ---mine.Mine is on the de whose is this book? Whose book is this? this book is mine. Whose book is that?改为同义句 中文意思：whose book is that? Whose activity book is that?(同义句) whose is that book（变复数） Whose book is that?改为复数形式 That book is mine 的汉语意思 Whose book is this?It's_____.A.mine B