Mr. Wang would have continued to lead _____ poor life instead of changing his lifestyle if he hadn’t met Mr. Smith by _____ chance who was a businessman.
I guess many a football fan ______ watching 2010 FIFA World Cup South Africa.
Don’t have the lights ______ all day long. It is a waste of electricity.
Either you or the headmaster ______ the prizes to the gifted students.
The 2010 Shanghai World Expo is well worth ______.
I am interested in traveling. It is ______ but ______.