选词填空。
【小题1】

In summer, it’s hot. ______ becomes ______.(snow, rain)
______ becomes ______.(ice, water)
It often ______ in Beijing.(snows/rains)
【小题2】

In winter, it’s cold. ______ becomes ______.(snow, rain)
______ becomes ______.(ice, water)
It often ______ in Beijing.(snows, rains)