2014
高考英语完形填空基础精品题练习（18）及答案完型填空（1） have you ever heard the story of the four-minute mile? for years people believed that it is impossible for a human being to 1 a mile in less than four minutes until roger banister proved it 2 in 1954．within one year, 37 runners 3 the belief barrier．and the year after that, 300 o
