问题描述：
A year has four seasons.The first season is spring.The three months in it are March,April and
May.During that time we have w_1_ weather and fine days.All plants come to grow.Animals wake up from hibernation.It is time for farmers to get ready for their fields.
The third season is autumn.The three months are September,October and November.The weather b_4_ cooler and cooler.Leaves begin to fall to the ground.It is the harvest t_5_ for farmers.
The fourth season is winter.The weather is very cold,and most of the plants die at that time.S_6_ it snows.People can enjoy skating and skiing.But winter doesn't stay with us f_7_ a long time,for spring comes again soon.
May.During that time we have w_1_ weather and fine days.All plants come to grow.Animals wake up from hibernation.It is time for farmers to get ready for their fields.
The third season is autumn.The three months are September,October and November.The weather b_4_ cooler and cooler.Leaves begin to fall to the ground.It is the harvest t_5_ for farmers.
The fourth season is winter.The weather is very cold,and most of the plants die at that time.S_6_ it snows.People can enjoy skating and skiing.But winter doesn't stay with us f_7_ a long time,for spring comes again soon.
问题解答：
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