This book is____that one,but____thanthat oneA.as difficult as ;expensive B.as more difficult as ;more expensiveC.as difficult as ;more cxpensive D.more difficult as; as expensive

This book is____that one,but____thanthat oneA.as difficult as ;expensive B.as more difficult as ;more expensiveC.as difficult as ;more cxpensive D.more difficult as; as expensive Whose book is this? what about this book? This is a book this book 复数 whose is this book? This book belongs to This book is yours Lily,is this book()? this is ( ) book. this book（ ）new This is s book.(a book提问) 英语翻译I________this book.=I________buying this book.=It________this book. this book is sold well 还是this book sells well Now reading this book 还是 Now read this book This book seems interesting 同义句 This book seems [ ] [ ] interesting This is my book.This book is mine造句 I bought you this book?对this book提问