Make the sentences complete.
1) In winter the days are shorter than in summer.
2 )It's warmer in summer than in spring.
3) Summer is the warmest season of the year.
4) Winter is the coldest season of the year.
5) In fall (autumn) the leaves fall down from the trees .
6) I think it's beautiful in the forest in autumn.
7) It's warm in summer and in spring .