Complete the following words according to the English meanings. 1. to gain; to get for oneself by one's own work 2. to state that sth. is true or correct, esp. after some kind of test 3. showing the ability to understand things clearly and deeply 4. lack of skill or ability to do your job or a task as it should be done 5. to have sth. Inside or as part of it 6. to understand or realize that sth. is true 7. thoughtful of the rights or feelings of others 8. to feel calm and comfortable and stop worrying 9. happening or done once every year 10. easily damaged or broken 11. to annoy, esp. by sth. that continuously happens 12. a job or profession 13. (of behaviors, ideas, etc.) based on reason rather than emotions 14. to make a firm decision to do sth. 15. to show the nature of sth. or of sb’s attitude or feeling 16. not together; separately; 17. to recognize; to admit 18. to do things in a particular way 19. needing or wanting sth. so much 20. a spoken or written opinion