根据短文内容，判断下列句子对错。

    Spring is coming. Spring is the first season of the year. In China, spring comes in February. It's still cold, but it is getting warmer and warmer. The days get longer and longer.

    Everything changes again. The trees were brown. Now they are green. The grass was yellow. Now it's green, too. The sky was grey. Now it's blue.

    You can see many beautiful flowers. The butterflies and bees are dancing among the flowers. What a beautiful spring!