W=Waitress G=Guest G: _______1_______, waitress. W: Yes, sir. G: I'm afraid you ________2_______ me. How much is the total of the bill? W: It totals ______3________. G: I gave you 350 yuan. I think you should have given me 40 yuan for the change. But you gave me 20 yuan only. You shortchanged me 20 yuan. W: I'm sorry, sir. May I _____4_____ the bill for you, please?...Oh, you are right. I'm sorry for the ________5_____. I do apologize. Here is the rest of the ______6______.