SummarizationRead each of the following short paragraphs and complete the phrase or sentence that expresses the main idea of the paragraph. The first letter of the missing word is given before the blank.Paragraph2.The popularity of rivalries fueled the attraction of the game (base- ball) and caused it to become the national past time. The sport transformed from being a game of amateurs into a sport played by professionals. With that transformation,the innocence of baseball had been lost.2.Baseball t_______to a professional sport.
【正确答案】：transformed
【题目解析】：P128
