This machine is very easy .Anybody can learn to use it in a

问题描述：

This machine is very easy .Anybody can learn to use it in a few minutes.
This machine is very easy .Anybody can learn to use it in a few minutes.
A.operating B.to be operating C.operated D.to operate
1个回答 分类：英语 2014-10-01

问题解答：

我来补答
动词不定式做主语补足语的主动表被动,如果有完整且正确的to be operated也可以
 
 
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