英雄们准备与恶魔战斗。

The heroes prepare to ___fight the demon.

孩子们不应该在操场上打架。

Children should not ___fight on the playground.

他们经常为了家务事吵架。

They often ___fight over household chores.

他正在为保护环境而奋斗。

He is ___fighting to protect the environment.

她一直在与抑郁症抗争。

She has been ___fighting depression for years.