根据短文内容，回答下列问题。
What should you do when someone is in trouble if you are a person with good manners？
______________________________________________________________________________
How do you like Li Ming if he always interrupts other people when they are talking？
______________________________________________________________________________
Are good manners the same in different countries？
______________________________________________________________________________
What do people usually do in Western countries to show their greetings？
______________________________________________________________________________
Why is it important to know what is regarded as polite and impolite before you go to a region？
______________________________________________________________________________