Grade 5s Past Participles

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Across
  1. 4. Your phone may be ____ in HCM city
  2. 8. homework shouldn't be __
  3. 9. Mobile phones can be ____ to school
  4. 11. time and energy may be ___ if you aren't efficient
  5. 13. some chemicals are dangerous so they mustn't be ___
  6. 15. clothes can be ______ using different fabric
  7. 16. cardboard is thick so it can be ___ as boxes when packing
  8. 17. paper is thin so it can be ____ using hands
  9. 18. books can be ____ by the school library
  10. 20. houses can be ___ up using solar energy/power
Down
  1. 1. friends should be ___ for making mistakes
  2. 2. Many plastics are soft so they can be ______
  3. 3. Some snakes are venomous, so you mustn't be _____ by them
  4. 5. some metals like gold and silver are precious, so they can ___ a lot.
  5. 6. secrets should be ___ between friends
  6. 7. Glasses can be __ if you drop them
  7. 10. Trash mustn't be ____ on the floor
  8. 12. Windows should be ____ during a storm
  9. 14. fish can be ___ in this lake
  10. 19. Papers are light so they can be __ away by the wind