高考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:高考问答 时间:2024/04/27 23:32:14
tried
I was very (tired) but I tried to finish my worktry的过去时try to do sth.努力做某事
had