During the examination, the sound of the pages could be heard outside the classroom. A. being flipped B. flipped C. having been flipped D. to have been flipped 【查看更多】
题目列表(包括答案和解析)
________ he wrote scores of books about the life of poor people and they were great success.
It's believed that many athletes and sports fans from all over the world ________ to Beijing during the 29th Olympic Games to be held in the year 2008.