学生们在校园里大声抗议，要求改善食堂伙食。

The students ___clamored loudly on campus, demanding better cafeteria food.

教室里的喧闹声让老师不得不提高嗓门。

The ___clamor in the classroom made the teacher raise her voice.

居民们一直强烈要求改善当地的交通状况。

The residents have been ___clamoring for better local transportation.