完形填空

　　Once there lived an old man in a town．He always forgot a lot of things, so his wife had to 　　1　　 to him, “Remember this．”

　　One day he went 　　2　　 a trip alone．Before he went out, his wife said, “Now you have all these things．Look after them 　　3　　．”He went to the station, bought a ticket and got on the train 　　4　　 it．

　　About an hour 　　5　　, the conductor came to the old man and said, “Will you please 　　6　　 me your ticket?”The old man 　　7　　 his ticket in all his pockets, but he couldn't find it．He was worried, “I can't find my ticket．I really bought a ticket 　　8　　 I got on the train．”Said the old man．

　　“I think you bought a ticket．All right．You don't have to buy 　　9　　 one,”said the conductor．But the old man still looked worried and said, “You don't know why．If I can't find my ticket, I don't remember my station．　　10　　 am I going?”

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