They are English exercise-books.(改为单数句型）

They are English是什么意思 Are they English还是Do they English 修改病句they are english They are English.汉语意思 What are {this}?They are English books they are English 改为同义词：they are（ ）同义句 they are foud----------learning English介词填空 They are learning English ______ Mr.Blake. They are speak English 改为一般疑问句 They are English cars改为否定句 They are English同义句转换 They are English books.变一般疑问句 they are English books.(改为单数形式) they are studying English改为特殊疑问句 How many letter are they in english? They are English cars.(单数） They are English cars.(改为单数形式) They are doing some English _(练习).