蜡烛的火焰在黑暗中跳动。

The ___flame of the candle flickers in the dark.

他对音乐的热情从未消退。

His ___flame for music never faded over the years.

她在社交媒体上发了一条评论，结果收到了很多骂人的私信。

She posted a comment on social media and got several angry ___responses in her inbox.

篝火在黑暗中熊熊燃烧。

The campfire ___burned brightly in the dark.