Phrasal verbs with up

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Across
  1. 4. become less serious or upset - … up
  2. 5. … a grip
  3. 6. … things in perspective
  4. 8. take exams in my …
  5. 10. try to have enough of sth - … sth up
  6. 12. … of my depth
  7. 14. a … comes over me
  8. 15. sail … exams
  9. 16. invent sth - … up
Down
  1. 1. a weight has been …
  2. 2. my … is pounding
  3. 3. a bundle of …
  4. 4. enjoy experiencing sth - … up
  5. 7. collect or accumulate - … up
  6. 8. butterflies in my …
  7. 9. a … wreck
  8. 11. practice or improve a skill - … up
  9. 13. my mind goes …