题目

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 In a national spelling contest in America, an 11-year-old girl was asked to spell a certain word. But with her soft voice the judges were not sure if she spelled the word with the letter A or E. __71__ At that time, the girl knew she had misspelled the word. But instead of lying and telling the judges she had said the correct letter, she told the truth that she had said the wrong letter. __72__. As the girl walked off the stage, the entire audience stood on their fee 一个十字路口的交通信号灯每分钟红灯亮30秒，绿灯亮25秒，黄灯亮5秒．当你抬头看信号灯时，是绿灯的概率是________．