风暴就在我们到家时突然开始了。

The storm ___broke just as we reached home.

突然，月亮消失在云层后面，片刻之后，一场猛烈的风暴爆发了。

Suddenly the moon disappeared behind the clouds and, in a few moments, a violent storm ___broke.

当雷声轰鸣时，风暴带着大雨突然开始了。

When the thunder roared, the storm ___broke with heavy rain.