691. put to use 使用
It is a pity to throw something away if it can be put to use.
692. put up 建造，搭起；张贴；提（价）；提供食宿
It is proposed that we should put up a new laboratory building in our school.
We put up a poster on the blackboard.
Their friends suggested they should put up their prices.
693. be qualified for 胜任，合适
Cheats will not be qualified for the position.
You may not be qualified for this job if you can't type Chinese.
694. range from...to... 范围从...到...
The lengths of our containers range from 10 to 40 feet.
695. reaction to 对...的反应
Reaction to the visit is mixed.
696. recovery from 从...中恢复
He made a remarkable recovery from a shin injury.
697. refer to 参考，查阅；涉及，提到；指的是
Writers often refer to a dictionary.
What does it refer to?
Does what he has said refer to me?
698. reference to 提及，参考
He made no reference to any agreement
699. regardless of 不顾，不惜
Regardless of the others’ warning, he climbed up the high rock.
700. be relative to 相对于；和...相应，和...有关
The problem may be relative to the work they have done.