这家广播电台从早上6点开始播出。
The radio station is ___on ___air from 6.00 a.m.
它每周四和周六晚上8点30分播出。
It is ___on ___air at 8.30 p.m. every Thursday and Saturday.
现场音乐会今晚将在电视上播出。
The live concert will be ___on ___air on television tonight.