阅读下面短文，根据文章大意用所给单词的适当形式填空（未提供单词的，限填一词），使文章意思完整、正确。

    There are four seasons in a year: spring, summer, autumn and winter. In spring, the weather is warm. It is good time for walking. And the Sun always (shine) brightly. Summer comes spring. It is very hot. The children like to go (swim). It often rains. Sometimes it rains (heavy). In autumn it is cool. It's also a time (take) a walk. The farmers are busy (harvest). The leaves fall the trees. Winter is a very cold season in a year. The wind blows (strong). Sometimes it snows, and we can make (snowman).