在大厅是in the hall 还是at the hall

在大厅是in the hall 还是at the hall in the hall与at the hall的区别, 谁每天下午在大厅弹钢琴?翻译：（ ）（ )the piano in the hall every afternoon the meeting （ ）in the town hall 会议将在市政大厅举行 in the hall Who_____ in the hall?The students_______ in the hall. the children were in the hall( in the hall是划线的）划线提问 a poster in the hall we meet in the hall in Park she is eating in the d___ hall Kids in the Hall的中文意思 The hall can_1000 people