Vietnam' New Year is celebrated according to the Lunar calendar. It is officially know as Tet Nguyen Dan, or Tet. It begins between January twenty-first and February nineteen. The exact date changes from year to year. Vietnamese people usually make preparations for the holiday several weeks beforehand. They tidy their house, cook special food, clean and make offerings on the family altars. On the New Year's Eve, people sit up to midnight to see the New Year in, then they put on new clothes and give one another the greeting of the season. Tet last ten days. The first three day are the most important. Vietnamese people believe that how act during those day wil influence the whole year as a result, they make every effort to avoid arguments and smile as much as possible.
1. What is Vietnam's new year know as?
2. When does the Lunar new year begin?
3. What di Vietnamese people usually do to prepare for Tet?
4. What do people do on the New Year's Eve?
5. How long does Tet last?
6. Why are the first three days the most important?