33.The famous singer is traveling across the country,_________her new album.
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.
— What did you have for breakfast during your visit to Britain? — ______ but bread and butter. That was the only food they served day in and day out.