The factory has been ------------- for two years.A.open B.to

问题描述:

The factory has been ------------- for two years.A.open B.to open Copening D.was in
1个回答 分类:英语 2014-11-01

问题解答:

我来补答
open在这里是形容词
be open 的结构
完成时,be变成过去分词been
 
 
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