完形填空。

　　One weekend all of the hotels in Green City were full because there was a large meeting．Mr．Black was the manager(经理)of a 　　1　　 in the city．On Friday night, three men came into the hotel and asked for 　　2　　 Mr．Black said there were 　　3　　 rooms ready because of the meeting．The men were unhappy．

　　Mr．Black wanted to help them．He remembered that Room 418, a small room, was 　　4　　 He asked them if they would share(共享)a room．The three men said they would．Mr．Black said the room would be thirty dollars, 　　5　　 for each one．Each man gave him the money and then went up to the room．

　　Mr．Black soon began to feel sorry, so he called his assistant over, gave him five dollars and said,"　　6　　 the money to those three men in Room 418．I asked too much for their room．"

　　The assistant took the money．While he was 　　7　　 the way there, he started to think, "How can three men divide(分配)five dollars?I will give them each only one dollar and keep two dollars for 　　8　　 The men will be 　　9　　 to get something back．And Mr．Black will never know．"So the assistant returned one dollar to each man．

　　The next morning, the three men went to thank the manager before they left．They said, "Thank you for 　　10　　 us 3 dollars back．"Mr．Black was surprised but he didn't say anything．After the three men left, Mr．Black called the assistant to his office and said, "I'm sorry, but I don't think you can stay here anymore．"

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　　Here is story about a clever dog．It was a Seeing Eye dog．A Seeing dog can help blind(瞎的) people walk along the streets and do many other things．

　　One day a Seeing Eye dog and a blind man 　　1　　 on a bus together．The bus was 　　2　　 of people and there were 　　3　　 vacant(空的)seats．Soon one man stood up and left his seat．The dog 　　4　　 the blind man to the seat, but there was 　　5　　 space for both of them．The dog began to push the people on each side with his nose．He pushed and pushed 　　6　　 the people moved and finally there was enough space for 　　7　　 people．The blind man then sat down and the 　　8　　 got up on the seat at his side．The dog lay down and put his head on the blind man’s lap．He was very comfortable and soon fell asleep．Every one on the 　　9　　 couldn’t help smiling at the dog．

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