已占用光缆纤芯公里数是指已（）给网络使用的纤芯公里总数。
参考答案：配置
It was ______ creative thinking that I took the course, not to get high marks in exams.
A．developing
B．to develop
C．developed
D．to have developed
在Word的编辑状态，粘贴操作的组合键是______。
