题目内容：

根据短文内容及括号内所给汉语句子提示，补全短文，使短文完整、通顺。要求用上本单元所学的be supposed to do sth.结构。

How much do you know about table manners around the world? In the United States, 1.(你不应该用手拿东西吃). In Japan, 2.(走路时你不应该吃或喝东西), and 3.(吃面条时你应该发出声音). It shows that you like the food. In South Korea, 4.(即使是最小的孩子也不能先开始吃饭). In China, 5.(你不应该把筷子插到食物里). Instead, lay them on your bowl or plate. And sometimes Chinese hosts use their chopsticks to put food into your bowl or plate. This is a sign of kindness.