In spring , the sun warms (warm) the earth . The weather gets (get) warmer. The birds fill (fill) the woods and forests with their songs. In summer , the farmers cut (cut) the grass and make (make) hay. Sometimes it rains (rain) hard. Then the sun appears (appear) and everything shines (shine) around us. In autumn, the days become (become) shorter. The leaves turn (turn) yellow and brown and fall (fall) from the trees. In winter, people spend (spend) more time indoors. The lakes and rivers are (be) frozen. It often snows (snow). The ice covers (cover) the roads.