Easy english crossword

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Across
  1. 3. help your immune system fight infections faster and more effectively
  2. 6. study or instruction of something
  3. 7. a reason for doing something or for allowing something to happen
  4. 9. a sudden violent shaking of the ground
  5. 10. to impose a penalty on for a fault
Down
  1. 1. when pig fly never
  2. 2. a strong feeling of disapproval or dislike
  3. 4. objects, or conditions by which one is surrounded
  4. 5. hard work
  5. 8. a person who continues to live, despite almost dying