crow

我看见一只乌鸦在草地上啄食。

I saw a ___crow pecking at food on the grass.

一只乌鸦在田野里啄食玉米。

A ___crow was pecking at corn in the field.

每天清晨，公鸡的啼叫声标志着新一天的开始。

Every morning, the rooster's ___crow marks the start of a new day.