节能灯泡可以帮助降低你的电费账单。

An energy-saving light ___bulb can help lower your electricity bill.

我们几乎在所有地方和所有事情上都使用灯泡。

We use the ___bulb everywhere for almost everything.

请更换走廊里的灯泡；它烧坏了。

Please replace the ___bulb in the hallway; it's burnt out.