this is _address book
this is _address book
book ,Is, yours? address ,this 连词成句
连词成句1、 book is yours?Address this 2、 cats feed by She can th
whose is this book?
Is this your book?
this book is mine.
Whose book is this?
This book is yours
This book is difficult_you_read.
This is a book
定语从句: Is this book __you lent me yesterday? Is this the book
Is this a book?" "Yes,this is."