这杯咖啡比那杯更黑。

This cup of coffee is ___blacker than that one.

随着真相逐渐揭露，他的行为显得越发邪恶。

His actions seemed ___blacker as the truth came to light.

随着经济衰退的消息传来，形势变得更加黯淡。

With the news of the economic downturn, the situation turned ___blacker.