填空补全句子。
1. I am going to __________ __________ my jacket. It's too cold.
2. I am going to __________ __________ my hat. It's very hot.
3. Let's go __________ to skate.
4. What a hot __________ day!
5. The wind blows the leaves __________ the trees.
6. What do you wear __________ winter?
7. In summer, I like to sit __________ the sun.
8. I like to ski __________ the snow.
9. Is winter your favourite __________?
10. Can you stand __________ on the ice？
