填空题 Convert these questions into direct questions.
Can you tell me why this price rise is necessary?
Why is this price rise necessary?

填空题 But you don't actually produce much of your electricity from burning oil, do you? ______

填空题 So you'll be making just as much money out of your customers this year, will you? ______

填空题 Do you know why other companies haven't increased their prices by the same amount? ______