our english book is blue (就划线部分提问）

our english book is blue (就划线部分提问） This book is ( ） to our English study （ ）用help ,并说明理由 The name of the book is Our world in English.求翻译! Our english teacher is > our english book has fifteen l ____ is ,an,book,english,this her is here English book this is my English book对my English book提问 the english book is on the shelfthe book on the shelf is an english book what color is your english book? That is an English book变成复数 It is an English book.（复数） l_______________!That is an English book. Is that her English book?复数形式 It is an English book . 肯定回答 where is you English book（改正错误） Is that an English book?如何回答 给‘‘It is a English book’’改错