herd|herded|herding

成群的角马在广阔的草原上迁徙。

A ___herd of wildebeest migrates across the vast savanna.

学生们乱哄哄地冲向食堂。

The students ___herded towards the cafeteria in a chaotic rush.

这只聪明的牧羊犬正在牧羊。

The clever sheepdog is ___herding sheep.