tussle|tussled|tussling

两个小男孩在草地上嬉闹打滚。

The two little boys had a playful ___tussle on the grass.

两个小孩为最后一块饼干扭打起来。

The two kids ___tussled over the last cookie.

两家公司为了市场份额一直在激烈争夺。

The two companies have been ___tussling over market share for months.