我看到一只乌鸦在草地上觅食。

I saw a ___raven searching for food on the grass.

饥饿的狼贪婪地吞食着猎物。

The hungry wolf ___devoured its prey greedily.

她的头发像乌鸦羽毛一样乌黑发亮。

Her hair was as dark and shiny as ___raven feathers.