第五部分：完成句子(共5小题；每小题1分，满分5分)
While the pace of change in the modern world gets faster and faster, people are becoming more and more ________ ________ the need of preserving the world’s heritage.
The bridge over the river ________ ________ ________ a beautiful rainbow.
All the students ________ ________ 12 _______ 16 can sign up for the competition.
It was with Mr. Wu’s help that Xiao Dong was admitted to Peking University, in other words, he ________ his success ________ this devoted teacher.
Every one of us should realize our strengths and weaknesses and try our best to make progress, rather than leave our future ________ ________ ________ _______ fate(命运).