我写的对吗?Is this your a book?Is this red?我写的对吗?

我写的对吗?Is this your a book?Is this red?我写的对吗? （Is this my book?译：这个是我的书吗?）、（Is this mine?译：这个是我的吗?）请问我写的对吗 Whose is this book ?对吗? This is your schoolbag?这个是你的书包吗?这样写对吗 英语句型转换first visit做的成分我写的对吗?This is her first visit to Beijin Whose is this book?这句话对吗? this book is my own对吗 this book is not()我的 这本书对我来说很重要.This book is important to me.这样翻译对吗? this is pen 对吗 向英语高手求教：Is this really the case?——>这个句子写的对吗? is this your book?的同义句