None: Arians aren't afraid of the dark.
One, but only if the lightbulb really to change.
None. It will change when the fire nation attacks
You get an unpleasant vowel movement.
Just one. But he has to check it 100 times one for each watt.
None. Mice can't change light-bulbs as they are mere rodents without the physical or mental ability to do so. Not to mention it's much safer for them to pilfer food in the dark.
A Led Zeppelin