今晚上映什么节目(what's on tonight)中的on的词性?这里的on如何解释？

今晚上映什么节目(what's on tonight)中的on的词性?这里的on如何解释？ what be on for tonight?(今晚有什么节目）为什么用for tonight而不用at tonight 你今晚想看什么节目.英语翻译 不能上映节目用英语怎么说 英语翻译：金陵十三钗今晚上映. I can't put my finger on what's wrong. Ain't about what's waiting on the other side, Is this a table?No,it isn't.What's it ( )( It's a chair.今晚就要!20点之前! 上映电视节目 用英语怎么说上映电视节目 是不是 on show 今晚有什么菜?What's _ _ _ for dinner tonight? what's going on... What's going on? What’s going on? What's going on What’s going on. what's on sale? What's goin' on what`s on