根据句意和首字母提示补全单词。 1. Besides after-class a _____ people like to do a lot of other things in their spare time. 2. Mary's h _____ is collecting stamps. 3. G _____ is my grandpa's favorite. He often plants and waters the plants in his garden. 4. Climbing mountains is very interesting and e _____ . 5. People like relaxing at the s _____ .