完形填空

　　It was very late at night．An old man came to a small town．He found an inn(小旅馆)and Wanted to slay there for the night．After he went to his room, the owner said to his 　　1　　．"Look at his bag．There must be much money in it．Let's take it away when he's 　　2　　, shall we?

　　"Oh, no," said the woman．"He must 　　3　　 his bag when he wakes up tomorrow morning．If he can't find it, he'll telephone the police．"

　　They thought for a few minutes．Then the woman had an 　　4　　．"We have forgetful grass．Why not put some forgetful grass into his food? If he 　　5　　 the food, he will forget lo take his bag away．"

　　　The old man ate the food 　　6　　 the forgetful grass and went to bed．The next morning when the owner got up, he found the door 　　7　　 and the old man had gone away with his bag．He woke his wife up and said to her angrily, "How foolish you are! Your forgetful grass isn't 　　8　　 at all．"

　　"No, I don't think so．He must forget 　　9　　," his wife said．

　　"Oh! I remember now! He forgot to 　　10　　 for the night," cried out the man suddenly．Then they looked at each other without saying a word．