U3 Crossword puzzle

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Across
  1. 4. He hurt his leg in a car a_________ last week.
  2. 5. I need to b_________ a book from the library for my homework.
  3. 9. The library is a s_________ place, so we can't talk loudly.
  4. 10. Reading books can help us get more k_________ about the world.
  5. 15. The tree's r_________ go deep into the ground to get water.
  6. 16. The little boy used a s_________ to draw pictures in the sand.
  7. 17. I need the English t_________ of this Chinese story to share with my foreign friend.
  8. 19. Artists use their imagination to c_________ beautiful works of art.
  9. 20. You should look both s_________ of the road before crossing.
  10. 21. We must protect our e_________ to keep the earth clean and healthy.
  11. 22. Chinese c_________ are very beautiful and have a long history.
  12. 23. H_________ beings should protect the earth and live in harmony with nature.
  13. 24. This new p_________ is very popular because it is both useful and cheap.
Down
  1. 1. Taking the subway is very c_________ for us to travel around the city.
  2. 2. The farmers d_________ holes in the field to plant the seeds.
  3. 3. It's important to c_________ with your parents when you have problems.
  4. 6. Plants produce o_________ for us to breathe.
  5. 7. We bought some new f_________ for our new house, like a sofa and a bed.
  6. 8. There are many different s_________ of animals in the zoo.
  7. 9. The news quickly s_________ around the whole school.
  8. 11. The table is made of w_________, so it feels warm and natural.
  9. 12. There is a small h_________ in my sock, so I need to mend it.
  10. 13. We should t_________ others with kindness and respect.
  11. 14. The bird built its nest on a strong b_________ of the tree.
  12. 18. Don't o_________ the small mistakes, or they will become big problems.