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Choose the correct answer by crossing A, B, C, or D. The following text is for questions 8 to 11.
How to Change a Light Bulb
First of all, before you remove the old bulb, make sure the power is turned off. Let the bulb cool off before you unscrew it.
Next, to unscrew the bulb, if it is high up in the ceiling, use a sturdy stepladder so you can reach it.
Then, take the bulb out of the socket. Push down and turn the bulb anticlockwise. A
fter that, put a new bulb in the socket. To put it, turn it clockwise in the socket. Don't screw the bulb too tight.
Finally, try to turn on the power
8. Why should we turn off the power before we change the light bulb?
To avoid electric shock
To avoid breaking the bulb
To check if the bulb still works
To make us easy in loosing the bulb
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