There are four seasons(季节) in a year. Spring(春天) comes first. (It's; it) warm and (rain; rainy) sometimes. It is very (hot; warm) in summer(夏天) . We can swim outside. In fall(秋天), it is very (cool; warm) and the leaves are colourful. They look beautiful. In winter (冬天), it is (snowy; snowing) sometimes. People can go skiing every winter.