根据课文内容填空。

    In winter, white snow  the whole earth. It is often very cold and the  can drop below zero. The weather is nice in spring. A windy day is perfect for  a kite. Bees and butterflies play  flowers. Then they hide away when the April  come.

    People often have sweet  of summer days. They go swimming and eat ice cream. They like to play by  streams or under the  of trees.

    When autumn comes, the leaves turn brown and fall into upon the ground. Farmers are busy  crops. Soon it will be a new year once again.