君行国际义工旅行:它们在笼子里飞(过去式)怎么说?
来源:百度文库 编辑:神马品牌网 时间:2024/05/12 15:58:18
They flew in the cage
They were flying in the cages
神马品牌网是一部内容开放、自由的互动网络百科全书
客观、专业、权威的知识性百科全书
来源:百度文库 编辑:神马品牌网 时间:2024/05/12 15:58:18
They flew in the cage
They were flying in the cages