1.	Several firms have bid for the contract to build the new concert hall.
	有几家公司投标,争取建造新音乐厅的合同。
2.	The concert will be in the school hall.
	音乐会将在学校的礼堂内举行。
3.	When does the concert begin?
	音乐会什么时侯开始？
4.	The acoustics of this concert hall are excellent.
	这个音乐厅的传音效果极好。
5.	The orchestra has several concert engagements.
	这管弦乐队已安排好几场音乐会。

 

in concert   1) 现场演出 2) 一致，一齐