1 Is this my(your) friend?Yes,It is / NO,it isn't 2 .Are these bikes?yes ,they are / no they aren't 模仿上面写吧 怎么变疑问句 ：将疑问词提到句首 后面的照写 完了 句号改问号 貌似是吧
谁能帮我把英语陈述句变一般疑问句
1 Is this my(your) friend?Yes,It is / NO,it isn't 2 .Are these bikes?yes ,they are / no they aren't 模仿上面写吧 怎么变疑问句 ：将疑问词提到句首 后面的照写 完了 句号改问号 貌似是吧