一切都变黑了！我们公寓所有的灯都关了，包括电视。妈妈拿出蜡烛，爸爸去看发生了什么事。

Everything went black! All the lights in our flat turned off, including the TV. Mum took out the candles and Dad went to see what was going on.

youdao

当你离开的时候，确信所有的灯都关了。

Make sure all the lights are turned off when you leave.

youdao

在离开教室前，请确认一下所有的灯都关了。

Before leaving the classroom, please make sure that all the lights are off.

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