1. the bus (a.arrives, b.is arriving) at 7: 30 sharp. 2.my plane (a.leaves, b.is leaving) at 3: 00 pm on sunday. 3.the concert (a.starts, b.will start) at 7: 30 this evening. 4.the art exhibition (a.opens, b.will open) in may and finishes in july. 5.what time (a. does the film being, 2.the film beings). 6.christmas hoidays (a.are, b.will be) next week.