阅读下面材料, 在空白处填入适当的内容(1个单词) 或括号内单词的正确形式。
One afternoon, Wang Kun and his sister Wang Wei sat in the yard talking about their dream       taking a bike trip along the Mekong River. They began their trip from     it begins to where it ends. During their trip, they happened to witness an earthquake, In fifteen seconds, a large city lay in_____ (ruin), and a number of people _______  (injure) or killed. But all hope was not lost. The rescue team      (organize) breath by the army came to help those   __   (survive) and slowly the city began to   __  again.  Wang Wei said, “They are the heroes of the city and the people injured in the earthquake”.  “Yes, they remind me of another hero who helped the black people to fight ______the white people to make black and white people_________.(equality)” Wang Kun said.  Heroes are different, but heroes are_____.(same) What they had done is to help people live a peaceful life.