看到那条蛇时，他吓得全身抽搐起来。

He ___convulsed with fear when he saw the snake.

突然爆发的战争使整个国家陷入动荡。

The sudden outbreak of war ___convulsed the entire country.

那个滑稽视频让我笑得前仰后合。

The funny video ___convulsed me with uncontrollable laughter.