从下列单词中选择适当的词填空，每个词只能用一次。 

given know  like   order  own       restaurants 

rules  served small times  understand without    

In the U. S. , people prefer waiting for a table to sitting with people they don , t know. This means a hostess may not seat a small group until a51table is available, even if a large one is.If you are sitting at a table with people you don't52,it is impolite to light up a cigarette53first asking if it will disturb them. 

At American restaurants, cafes and coffee shops you are usually54tap water before you order. You may find the bread and butter is free, and if you55coffee, you may get a free refill. 

Alcoholic drinks,56whisky, vodka, are served straight or on the rocks. In some57you can bring your own wine. In some states, you can buy liquor at a restaurant to take home. Every state makes its58laws about the sale of alcohol. In some states, you have to buy that at special state-owned stores licensed to sell liquor. Most cities and towns have no rules about opening and closing59for stores or restaurants, though they usually do make60for bars. Especially in large cities, stores may be open 24 hours a day.