————English book前加an还是a

————English book前加an还是a HE ——(read) an English book now —— an English book on the desk?用have,has,there is,there are填空 There is an English book in the desk.（改为复数句）— — English — in the desks. 改一般疑问句 He has an English book.——he had an English book?应该怎么改?改一般疑问句 He has an English book.___he had an English book?应该怎么改?我就是想不通句子中为什么不是have而是 had,如果是had的话就 That' a book in English.怎么对a book提问— — in English? This is an English book （对画线部分提问） —————————— There's an English book in the desk.(变为复数句) —— —— English —— in the desks. The Chinese book is —— than the English book.英译汉The English book is thinner than the Chinese book. The Chinese book is —— than the English book.英译汉 对划线部分提问 She is goingto buy an English store-book.She is goingto buy an English store-book.buy an English store-book加下划线 A————Claudia for your English book.横线里填什么啊?注意哈!横线前的A也是单词的一部分~ is ,an,book,english,this an english book复数形式 I have an English dictionary.对an English dictionary提问.—— ——you have? that is an english map对an english map提问— —? that is an english map对an english map提问— —Is this _________ interesting book?—Yes,this book is _______ interesting.A.an,an B./,/ C.an,/ D./,an It's a book.就book提问.———— ————in English.