A、His own ticket for the concert, B、Ellen’s ticket for the concert. C、Their trip in the summer vacation. D、The supper for him an

M: Hey, Ellen. How are you?
W: I’ m fine, Bob. Aren’ t you glad the semester is over?
M: Yep. Are you going to the rock concert Friday night?
W: I hadn’ t much thought about it. Are you?
M: Sure. Would you like to go with me?
W: Sounds like fun.
M: You’ ll have to buy your own ticket, though.
W: Are you broke again? Let me treat you.
M: Wow, when did you become so rich?
W: You know, I’ m a waitress at the Student Center. Anyway, now that final exams are almost over. I’ d love a night out.
M: Since you’ve been so great about buying the tickets, why don’t I take us out to dinner?
W: You’ve got a deal. Let’s buy the tickets now.