50页33.This book -----educating teenagers .Would you like to buy it Yes I‘ll take it A.aims at B.depends on C.gives out D.sets up 为什么

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 this is my book. this book is mine 区别是什么?