Betty is Mary's classmate. Now they are having an English class. Betty is describing(描述) seasons. There are four seasons in a year, spring, summer, autumn and winter. Spring is warm, these are flowers on the trees, people can see ducks in the river. Summer is hot, people can go swimming, they can wear shorts. Autumn is cool, the leaves fall from the trees, people can play with he leaves. Winter is cold, people cam play with the snow, they can wear gloves. Seasons are colorful, children can have fun in different seasons.