that isn't your book,yours is here.

that isn't your book,yours is here. is that your book?( ) a.that isn't b. It's yours that is that your.Isn't your just all.can not bel That book is yours为什么用yours不用your, This is ( ) book.your|yours 英语翻译My book is less interesting than yours.No .It isn't .It 代词填空Is this pen yours,Jim?No it isn't._______is here,just in Here is your book The book isn't yours .Maybe it is___ he~s book isn~t yours ,_____can it be This book is ( )? 填Your还是Yours? 选词填空 This isn' my book.That is ____ book.（my,your,his,her,it