Ⅰ、根据提示写出所给单词的正确形式
1.anxious (a.)→ (n.)_____________
2.pain (n.)→ (a.)_____________
3.unhealthy (a.) → (反义词.)_________→( n.)____________
4.wealthy (adj.) → (n.)_________
5.rarely (av.)→ (adj.)____________
6. injure (v.)→(n.)___________
答案：1.anxiety 2. painful 3. healthy; health 4. wealth 5. rare 6. injury
