Is it a book这句子哪里错了看题看错了!是 Is this your an eraser？

Is it a book这句子哪里错了看题看错了!是 Is this your an eraser？ It is Tom book.哪里错了? Whose book is it It's mine book,这句话哪里错了? she is reading a book.a book is about animals.哪里错了 This is a interesting book哪里错了? A dictionary is an useful book.找错哪里错了? It is a book on English.哪错了? She is reading a book,isn't her?这句话哪里错了? Judged from his book,he is a teacher.这句话哪里错了 This book is different from as that one.It's more interesting.这句话哪里错了? this book is mine book.哪里错了?怎么改? This is an useful book .You must read it carefully .哪里错了? how interesting book it is!这个句子错了吗?是强调形容词吗? Is this a picture.Yes,it,is.哪里错了 I have a Englih book 这句话哪里错了 Put the book (which) it (belongs to) after reading it.这句子为什么错了? Tony is seeing a book in the room.哪里错了 This is a nice book哪里错了?指出并改正