题目内容：

    Around the world, people have _______ ideas about what good manners are. When you go to restaurants in different parts of the world, it's _______ to know the right and wrong things _______. For example, in China it's OK to _______ a lot of noise in a restaurant. In fact, if a restaurant isn't noisy and _______, you may think there's something wrong _______ it. However, in many Western countries, restaurants are _______ places. If people at a table talk too loud, other people who are eating there might even _______ to the owner of the restaurant.

Paying the bill is also different from country to country. In China, one person usually pays for _______. In Western countries, one person pays if he or she is entertaining clients(宴请宾客), but __________ 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 __________. This is called “leaving a tip”. Leaving a tip is thought to be __________. In the US, it's __________ 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 not the same in different parts of the world, but you can __________ the same kinds of food in many countries. Chinese and Indian foods, for example, are __________ all over the world.

1.A.different B.similar C.the same D.popular

2.A.popular B.difficult C.important D.enjoyable

3.A.do B.to do C.doing D.be done

4.A.cause B.keep C.hear D.make

5.A.lively B.friendly C.lucky D.polite

6.A.with B.in C.to D.of

7.A.noisy B.quiet C.busy D.clean

8.A.shout B.explain C.complain D.speak

9.A.everybody B.nobody C.somebody D.none

10.A.until B.when C.unless D.since

11.A.gatekeeper B.seller C.waiter D.visitor

12.A.impolite  B.polite  C.rich  D.poor

13.A.terrible B.common C.serious D.unusual

14.A.invent B.discover C.prefer D.find

15.A.expensive B.common C.the same D.popular