根据句意及汉语提示完成下列句子。

1. There is a ____ (美丽的) park in the city.

2. Mary thinks koalas are kind of ____ (丑陋的).

3. My little sister is very ____ (害羞的).

4. I like dolphins. Because they're ____ (友好的).

5. The giraffes are very ____ (聪明的).

法定退休年龄包括正常退休年龄和特殊工种退休年龄。