I am trying to be the kind of boss that the workers will .
On top of the hill ______, whose style can be traced to the ages of the Roman Empire.
A warning signal suddenly appeared on the screen of my computer, ______ the computer was being attacked by a certain virus.
Something has to be done to stop the rivers from being further polluted, ?
The school authority had a discussion regarding ______ they should set up more scholarships to meet the increasing demands.
The document film ______ next week aims at introducing local cultures to the world.