All the people in the hall watched the play______(quiet,quietly)

All the people in the hall watched the play______(quiet,quietly)
All the people in the hall watched the play______(quiet,quietly)

All the people in the hall watched the play______(quiet,quietly)
quietly 修饰动词watch 用副词

quietly

watch 是动词 要用副词修饰 所以用quietly

All the people in the hall watched the play quietly.

quietly，修饰动词watch 用副词。
大厅里的人们都安静“地”观看演出