用所给单词的正确形式填空。
1. They are ______ to see each other. (please)
2. Eating ______ is good for us. We must eat more vegetables. (health)
3. Look at her ______ (colour) face. She must be badly ill.
4. We are celebrating my parents' 20 years of ______ (marry)
5. His father's ______ made them feel sad. (die)
