this is a book on ________(electronic)
this is a book on ________(electronic)
---There is a book ________ on the ground.
英语翻译An electronic book (e-book) is a book-length publication
英语翻译This book focuses on _______ _______ ________ ________ _
This is a book
Is this a book?" "Yes,this is."
This is s book.(a book提问)
His first book ________ next month is based on a true story.
根据要求,转换句子.1.There is a book on the desk .(变复数)There ________
this is a book 提问
This is a interesting book
This is (a math) book.