light

夜幕降临，街道上只有几盏路灯亮着。

Only a few street ___lights illuminate the street at night.

交通灯变绿了，我们可以过马路了。

The traffic ___light is green, so we can cross the road.

我的行李箱很轻，很容易携带。

My suitcase is very ___light and easy to carry.

在火车上，车厢里的灯很明亮。

On the train, the ___lights in the carriage are very bright.