高校问答是一部内容开放、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:高校问答 时间:2024/04/28 05:41:49
Two boys are playing table-tennis.The girl is painting.The woman is doing house work.The old man is cleaning the garden.