今晚交响乐团将演奏贝多芬第五交响曲。

The symphony ___orchestra will perform Beethoven's Fifth tonight.

她在一支专业管弦乐团拉小提琴。

She plays the violin in a professional ___orchestra.

我每周四晚上有管弦乐队练习。

I have ___orchestra practice every Thursday evening.