人们已经使用这种机器 They have already __ this kind of machine __ good __.到底是put into对还是put to对？
问题描述：
人们已经使用这种机器 They have already __ this kind of machine __ good __.
到底是put into对还是put to对？
答
put into
第一 按道理来说这是固定搭配 put sth. into good use
第二 put to 的意思应该是把sth.放到sp.
答
People have already used this kind of machine
答
They have already _put_ this kind of machine into__ good use__.
The design proposal has been put into good use.
设计方案已投入使用 ,运行状态良好.
答
put ; to ; use 。put 是动词过去分词