This is his book.改成一般疑问句并作否定回答

This is his book.改成一般疑问句并作否定回答 Is this your book 改成同义句 this is his the best book改错 this book is his是答句求问句 This is his backpack.改成否定句 This is his photo 改成复数 Is this his pen 改成同义句 This pen is his改成同义句 This book is his,that book is____(I) this is his book that is your ruler 改成一般疑问句并作肯定否定回答this is his bookthat is your ruler改成一般疑问句并作肯定否定回答 my book is more interesting than his(改成同义句) Is this a science book?改成疑问句This is a science book,____? this is his book 和this book si his.有什么区别 改成复数形式．4.This is a book. This is an English book 改成一般疑问句 This is () book.() is on the desk.A.my/his B.his/my C.mine/his this is his English book.he(f?)it yesterday. This is his the best book. 这句话有错吗?