su or si

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Across
  1. 3. I went swimming at the _____________ centre.
  2. 5. Another word for strange or weird.
  3. 7. The teacher had to make the ____________ of who would get the shining star.
  4. 8. When two cars bump into each other.
Down
  1. 1. I watch the ____________ to relax.
  2. 2. A pirate might find this.
  3. 4. It was a _____________ to meet you.
  4. 6. The spy had x-ray ___________.