Around the world, people have different ideas about what good manners are.
When you go to restaurants in different parts of the world, it’s  46 to know the right and wrong things to do. For example, in China it’s OK to  47 a lot of noise in a restaurant. In fact, if a restaurant isn’t   48 or lively, you may think there’s something wrong with it. However, in many western countries, restaurants are quiet places. If a table is too loud, other people who are eating there might even  49 to the owner of the restaurant.
Paying the bill    50 also different from country to country. In China, one person usually pays  51 everybody. In western countries, one person pays if he or she is entertaining clients(宴请宾客), but  52 friends eat together, they usually share the cost. This is called “Going Dutch（均摊费用）”.Also, when westerners pay the bill, they usually leave some money for the  53 .This is called “leaving a tip(小费)”. Leaving a tip is thought to be polite. In the US, it’s  54 to leave tips of 10％,15％,or 20％ of the bill, which is decided by how good the service is. Good waiters can make a lot of money!
The way people eat food is different in the world, but you can  55 the same kind of food in many countries. Chinese and Italian food, for example, are popular all over the world.
A. popular           B. difficult              C. important
A. cause             B. keep                 C. make
A. noisy             B. noise                C. lucky
A. shout              B. explain              C. complain
A. are               B. is                  C. be
A. on                B. for                 C. in
A. until               B. when               C. unless
A. gatekeeper          B. seller               C. waiter
A. terrible             B. common             C. serious
A. invent              B. find                C. prefer