Waiter; Would you like to have one bill or separate bills, sir? John; It’s my treat. One bill, please. Paul; You paid last time. ______ John; Well, all right if you insist. But next time you must let me pay. A．This is on me. B．Stop kidding me. C．I have money. D．Knock it out.
A. Paul; B. A．This C. B．Stop D. C．I E. D．Knock F.
【参考答案】
A 解析：服务员问他们是要一起付，还是分开付款，John说一起付，Paul说上次是你付的，这次应该让我付，所以A......