填空题
Waiter: (51) . Jack: I'm very hungry. I'd like two beefsteaks. (52) Mary? Mary: I don't want much to eat. I'll have cheeseburger and French fries. Waiter: O.K. (53) Jack: Two cups of beer, please. Waiter: What sweet would you like? Mary: (54) Jack: So will I. And we'll have two coffees, please. Waiter: Black or White? Jack: (55) Waiter: Would you like anything else? Mary: Not now, thank you.