单项选择题
A．that there is no real energy crisis B．that the energy crisis is real C．that the utilities are working to fix the problem D．that his business doesn't need power
A．very short B．about 1.5 hours at a time C．about 12 days D．a day long
A．2,000,000 B．200,000 C．400,000 D．2,000, 000,000