this is a book 提问This is a book .a book提问____ ____ this That is a quilt .a quilt 提问____ ____ that

This is s book.(a book提问) This is a book.对a book进行提问 this is a book 提问This is a book .a book提问____ ____ this That is a quilt .a quilt 提问____ ____ that This is a book.对book 提问时what is it 对,还是what is this? 对划线部分提问This is a book（a book）.That is a red book（a red book）. This is a red book.对red提问怎么答? This is a book This is a book 对划线部分提问 （划线部分 BOOK）大神们帮帮忙 this book is a rectangle.(划线部分提问）A triangle has (three)side.(提问） This is my book.对my提问 This is my book用whose提问 this is my English book对my English book提问 This is my book .对book提问如何做 Is this a book? Yes,this is. This is a book （划线部分提问）划线:book It is an apple.(改为否定句) This is a book答语 this is a book.(对划线部分提问)(划线部分为a book)可以用初一英语知识吗 This is （a book）in English对括号里提问