请根据语境和首字母填写合适的形容词。 1. My grandpa is sixt
题型：填空题
问题：
请根据语境和首字母填写合适的形容词。
1. My grandpa is sixty years old, but he looks y____________.
2. My schoolbag is h____________ than yours.
3. It's h____________ outside. Please take off your jacket.
4. What a t____________ tree! It's the t____________ one I have ever seen.
5. How p____________ that little girl is!