4.　　 What are people s________________ to do when you meet someone for the first time.

3.　　 Japanese and Korean b____________ when they meet people.

2.　　 Brazilian m______________ when they meet in Brazil.

1.　 You cut your food with a k ____________in western countries.

30. since then 自从那以后　 常与完成时 态连用 如：

　　 Since then, I have left Beijing. 自从那以后，我已经离开了北京。

29. divide sth. into … 将…划分成..

通常指将一个整体分成几个对应相对的部分 如：

Let’s divide ourselves into 4groups. 让我们把我们自己划成4组。

28. knock into 撞上(某人)

27. safety n. 安全 safe adj. 安全的

26. be born 出生　 He was born in Canada. 他在加拿大出生

25. have been played 被上演　 是现在完成时的被动语态

　 　现在完成时的被动语态的结构：have /has been +过去分词