单项选择题
This cargo wires has more than ten percent （） wires.
A.damaged B.broken C.missing D.repaired
单项选择题 All cargo wires need to be （）.
单项选择题 （）should be greased every month or two and it should be kept on a reel when not in use.
单项选择题 Wire rope should be greased （）when not in use.
