Some farmers are still using tools and methods ___ back to hundreds of years ago.A.dated B.to date C.dating D.to be datedWhy C not

问题描述:

Some farmers are still using tools and methods ___ back to hundreds of years ago.
A.dated B.to date C.dating D.to be dated
Why C not

C,date back to常用主动语态,不用被动语态.
祝楼主更上一层楼