Figurative language

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Across
  1. 3. I'm so hungry I could eat a horse
  2. 5. As cold as ice
  3. 7. Hit the sack
Down
  1. 1. The boy buzzed around, as busy as a bee
  2. 2. The food was calling my name
  3. 4. I'm Juliet to your Romeo
  4. 6. Life is a highway