It was said that something (do)to prevent the water from being polluted 这里是to do 还是to done

问题描述:

It was said that something (do)to prevent the water from being polluted 这里是to do 还是to done

应该是:had to be done

希望对你有帮助

to done

something to be done 才对吧,没有something to done 的用法,这里不是主动语态不能用to do,用 to be done.