题目内容：

When people are born, they begin to be taught about manners. They are taught how to hold 1. knife and fork and not to talk with their 2. full. They are also taught when to stand and when to sit. Sometimes3. manners in one place are very bad manners somewhere else. Almost everywhere, eating together means that people are very close to each other, but in parts of Polynesia it is bad manners to 4. beside each other.

When you go to visit someone, you often 5. him or her with "Hello!" or "How are you?". But 6. you visit an East African village, everyone will be very careful not to talk to you. The polite thing to do is to go 7., saying nothing. You should wait until he has finished 8. he is doing. Once he finishes, he will begin talking to you.

In a village in the Middle East, a visitor will walk 9. all the tents until he gets to the one he wants to visit. If he passes by other villagers' front doors, he will be invited into 10. tents and asked to eat. It is rude to say no to the invitation.