Definition: a type of energy that can produce light and heat, or make machines work Level: A2
我们家里所有的灯都需要电才能工作。
All the lights in our house need ___electricity to work.
停电时，我们无法看电视。
When there is no ___electricity, we can't watch TV.
请记得关灯以节约用电。
Please remember to turn off the lights to save ___electricity.
