19.11.What should you take when you go to a dinner party? A.Some flowers. B.An expensive present C.Nothing. 12.When must you get to the party? A.15 minutes after the dinner starts B.5 minutes before the dinner. C.On time. 13.What will you do if you don't know how to use the fork and knife? A.Do as the other people do. B.Do as you like. C.Wait for the hostess to tell you. 14.What should you do if you like the food? A.Eat it up. B.say you like it. C.Keep silent about it. 15.What should you do when the dinner party is finished? A.Say good-bye to everyone. B.Keep talking with others. C.Say thanks to the hostess and host for the meal.