情景：同事明天去出差，说好要去送她，突然接到父亲电话，得知母亲病重，要你马上回家。离开办公室时，同事正在开会。
任务：请你用英语给她母写一张50左右的便条。告诉她：
      1 你为什么马上要回家； 2 明天可能不去机场送她； 3 祝她旅途愉快。     请用下面格式：
Xiao Wang ,
  ……
                                                             Wu Dan
范文：
Xiao Wang ,
  I have to go home at once because my father phoned me just now , he said that my mother was badly ill and we need to send her to hospital . I’m sorry to tell you that maybe tomorrow I can’t go to the airport to see you off . I wish you a good trip .
                                                                Wu Dan