Read the passage and fill the suitable word in the blank:

There are four (1)………………..… in a year. (2)…………….. are spring, summer, fall and winter. In the (3)……………..…., the weather is usually warm. Sometimes it is cold (4)……………. not very cold. There are (5)……..………….. flowers in the spring. In the summer, the day is long and the night is (6)…………………... People often (7)…………….. swimming in this season. The fall is the season (8)………………..… fruits. In the (9)………………, it is usually very cold. The day is short and the (10)………..….….. is long.