Do you know the Double Ninth Festival?It is one of（1）______most important festivals in China.It is a special day for old people.It（2）______（begin）a long time ago.The festival is（3）______the ninth day of the ninth month in the lunar calendar.The Chinese word for"nine" has the same sound as the word for"long",so people take the Double Ninth Festival to send（4）______（they）best wishes to old people.They do many（5）______（activity）to show love and respect to the old.People celebrate the day（6）______（happy）.They eat meals with their older family members.And they spend time（7）______（climb） mountains with them.They hope that the old will live much（8）______（long）.Also,they usually drink chrysanthemum wine（菊花酒） and wear a plant called zhuyu.They think that these plants can drive away bad luck.It is a（9）______（tradition）virtue（美德） in China to respect old people.That\’s(10)______the Chinese know that old people have knowledge and experience.And young people can learn from them.