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   Once there was a man who could run very fast. He was very proud ______ this and was always ready to show people how fast he could run.

One day a thief broken to his house, took some of his things and ran off as fast as he ______. The man ran after him, shouting, “Hey, stop! Don’t you know you can’t get away from me?” But the thief only ran faster. The man got ______ angry that he ran at his top speed. He was soon several miles away from his house.

He was still rushing along ______ he ran into a friend. “Why are you in such a hurry?” asked the friend. “I am trying to catch a thief.” said the man, who was very much out of breath. “But where is the thief?” asked the friend. “Miles and miles behind!” said the runner, smiling with pride. “He ______ he could run faster than I can, but now, you see, he is quite wrong.