体育场爆发出震耳欲聋的欢呼和尖叫声。

The stadium erupted in a ___tumult of cheers and screams.

校长宣布取消考试后，教室里一片混乱，学生们兴奋地讨论着。

The classroom was in ___tumult after the principal announced the cancellation of exams, with students excitedly discussing the news.

球迷们在体育场外爆发了骚乱，警察不得不介入控制局面。

The fans created a ___tumult outside the stadium, forcing the police to intervene.