Tet Nguyen Dan, more commonly known by its shortened name Tet, is the most important and popular holiday and (17)__________ in Vietnam. Tet (18)__________ from the first day of the first month of the Lunar calendar until at least the third day. Many Vietnamese prepare for Tet by (19)__________ special holiday foods and cleaning the house. There are a lot of customs (20)__________ during Tet, like visiting a person’s house (21)__________ the first day of the new year, ancestral worshipping, wishing New Year’s greetings, and giving lucky money to children and elderly people. Tet is also an occasion for pilgrims and family reunions. During Tet, Vietnamese visit their relatives and temples, forgetting about the troubles of the past year and hoping for better (22)__________ year.