David was responsible and hardworking, _____ he was promoted from a clerk to a manager.
| A．which | B．as | C．for what | D．for which |
On top of the hill ______, whose style can be traced to the ages of the Roman Empire.
| A．there standing a church | B．does a church stand |
| C．a church stands | D．stands a church |
A warning signal suddenly appeared on the screen of my computer, ______ the computer was being attacked by a certain virus.
| A．indicated | B．indicating | C．to indicate | D．having indicated |
Something has to be done to stop the rivers from being further polluted, ?
| A．doesn’t it | B．hasn’t it | C．does it | D．has it |
The school authority had a discussion regarding ______ they should set up more scholarships to meet the increasing demands.
| A．whether | B．what | C．that | D．whom |
The document film ______ next week aims at introducing local cultures to the world.
| A．released | B．being released | C．to be released | D．having been released |