[情景]：同事明天要出差，说好你要去送她，突然你接到你父亲的电话，得知你母亲病重，要你马上回家。离开办公室的时候，同事正在开会，为此请你用英语给她写一张50左右的便条，告诉她：
你为什么马上要回家;
明天你可能不去机场送她;
最后祝她旅途愉快。
[参考范文]
Dear Mary.
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.、
Li Ming
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