Section C There are several ways in which Americans 11 customs are different from those in other parts of the world. A guest invited to dinner is 12 to arrive on time. The use of the knife and fork is often different. The fork is used mostly in the right hand. It 13 he food without help from the knife, which is 14 used only to cut meat or potatoes, and is placed to the right of the plate when in use . And while in many places the napkin(餐巾) is put around the neck, here it is put on the lap. Finally, when Americans eat certain foods, they use their 15 . For example, at picnics they eat chicken, pizzas, and so on with their hands only. 【11】