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Mid-Autumn (Trung Thu) is the day when the moon is at its brightest in a year. In that spirit (1) ________, people in Vietnam as well as many Asian countries celebrate the Mid-Autumn's Festival. According to legends, this holiday is originated (2) ________ in which an Emperor of Duong (Tang) Dynasty, Duong Minh Hoang, was taken to the moon by a wizard named La Cong Vien. (3) _________of his trip to the moon, the Emperor caught a glimpse of fairies in heaven celebrating the full moon. When Duong Minh Hoang was back to earth, he taught his citizens about the celebration and it became a custom lasting (4) ________. Through times and times, Mid-Autumn's Festival (5) _________ becomes an event providing children with a rich diversity of delightful traditional games and entertaining activities, offering great helps in promoting education as well as culture.