.The factory has been ________ for three years.A.to open B.opening C.open D.opened

分类: 作业答案 • 2021-12-28 15:18:43

问题描述：

.The factory has been ________ for three years.A.to open B.opening C.open D.opened
A.to open B.opening C.open D.opened
急....

答

答案：C
be open 表示“开放的,营业中的”,open在此是形容词.be opened 表示“被打开”,是被动语态,所以D错误.