The boys are cleaning the classroom now.(改为一般疑问句并作否定回答）

The boys are waiting____the The boys are waiting____the door? What are the four boys? Where The Boys Are 歌词 We Are The Boys 歌词 what are the boys in the picture The boys are crazy about the singer 英语翻译------ are the boys ----- for now What are the boys girls doing look (how/what) excited the boys are! what are the boys doing?怎么回答? What are the boys doing 改成中文 The boys are here改为一般疑问句 the boys are back的中文歌词 where are the boys 的否定回答 some boys are s__ in the river these are the boys clothes改错 The two boys are good ___(sing). the boys are back中文解释