他们九岁的儿子被放任不管，行为失控。

Their nine-year-old son is left to ___run ___wild.

我们安顿下来后不久，我父母认为我行为失控了。

Shortly after we settled in, my parents decided that I was ___running ___wild.

老师离开房间后，学生们开始行为失控。

When the teacher left the room, the students started to ___run ___wild.