You'd better take a bus.
今天晚上的节目是什么?
What's on tonight? *on 除了表示“在……之上”之外，还有类似“电影上映，戏剧上演”的意思。
What's playing tonight?
What are you showing tonight?
一共演多长时间?
How long does it last? *last有表示“连续，持续”的意思。
How long will it last?
How long is it?
几点演完?
What time will it be over?
What time will it end?