People celebrate to show that they are grateful the year's supply of food.In ancient Egypt,the harvest festival was (celebrate) during the springtime——the Egyptian harvest season.It (feature) a parade and a great feast with music, dancing, and sports.Today, in some European countries, people decorate churches and town halls with flowers and fruit, get together to celebrate over a meal. During the Mid-Autumn Festival in China,families gather to admire the (shine) moon and enjoy delicious mooncakes.