光缆接头盒内最终余留长度应不小于多长？
参考答案：
光缆接头盒内最终余留长度应不小于60CM。
Cheng Guangbiao announced that he would donate all that he had ______ the help he got as a student, following the all-out donation project of Bill Gates.
A．in return for
B．according to
C．as a result of
D．in charge of
