unit 1

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Across
  1. 1. to take air into and expel it from the lungs
  2. 5. a group of things that have been gathered
  3. 6. a very short period of time
  4. 7. a type of insect with large, often brightly colored wings
  5. 10. the area of land where a university, college, etc. is situated
  6. 11. to push sb/sth gently, typically with an elbow
  7. 12. (of high rank, status, or level)
  8. 14. by one separately in a specific order
  9. 15. high senior high school
  10. 17. an idea, feeling, or opinion about sb/sth formed because of what you have seen or heard
  11. 20. to make arrangements for an event or activity
  12. 21. a small creature with six legs and sometimes wings
Down
  1. 2. a person who writes a book, article, etc.
  2. 3. to travel around a place to learn about it or discover more
  3. 4. in one's stomach a feeling of nervousness or excitement
  4. 8. a custom or belief that has existed for a long time
  5. 9. a strong desire to do or have something
  6. 10. having a strong desire to know or learn something
  7. 13. causing feelings of admiration, especially due to size, skill, or quality
  8. 16. a machine that produces power, especially for vehicles
  9. 18. a place, equipment, or service provided for a particular purpose
  10. 19. a sudden feeling of intense fear that causes irrational behavior