根据短文内容选择可以填入空白处的最佳答案。(Choose the best answers to complete the passage．)

　　Saturday morning came, and everything was bright and fresh．Every boy in town was happy, 　　1　　 Tom Sawyer．

　　Tom stood on the sidewalk 　　2　　 a bucket of white paint and a brush with a long handle in his hands．He looked at the fence that his aunt had told him 　　3　　 and felt very 　　4　　．It was thirty yards long and three yards high! He dipped his brush in the paint and painted a corner of the fence．Then he stood back and 　　5　　．The section that was painted was so small, and the 　　6　　 section was so big! He sat 　　7　　 a tree to have a rest．

　　He began to think of all the games 　　8　　 he had planned for the day．Soon the boys who were free would come along and make fun of him．But just then, he had a wonderful idea．He picked up his brush and went back to work．

　　Ben Rogers came along the road, 　　9　　 happily and carrying an apple．He stopped and looked at Tom．Tom went on painting and 　　10　　 Ben．

　　‘I'm going swimming,’said Ben．‘Do you want to go swimming, Tom? But I guess you can't．You have to stay and work, 　　11　　 you?’

　　Tom went on painting．‘Work?’he said．‘This isn't work．I'm enjoying myself．Does a boy get a chance to paint a fence like this every day?’

　　Ben thought about this．Tom went on painting, carefully, Sometimes he stopped, stood back to look at the fence, and then added a bit more paint in just the right place．Ben was watching Tom's every move．He was getting more and more interested．

　　After a while, he said,‘Tom, will you let me do some painting?’

　　Tom thought about it, and said,‘No, Ben, I can't．You see, Aunt Polly wants it to be done properly．I'm the only one who can do it right．’

　　‘Oh, please, Tom,’　　12　　 Ben．‘I can do it．I'll be 　　13　　 careful．Just let me try．I'll give you half of my apple．I'll give you all of it!’

　　‘Well, all right, Ben,’said Tom．‘But you must be careful．’

　　He gave Ben his brush with worry on his face but joy in his heart．He sat down again under the tree, and started to eat the apple that Ben had given him．

　　All day, boys came to make fun, but they ended up 　　14　　 to paint．When Ben got tired, Billy Fisher was waiting．He gave Tom a kite 　　15　　 a chance to paint．Then Johnny Miller offered him twelve marbles, and so on．

　　By late afternoon Tom had gained all sorts of toys, and the fence had gained three coats of paint．Later Aunt Polly came to look at Tom's work．She was so pleased when she saw the painted fence that she gave Tom a large cake!

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