Exercise 2

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Across
  1. 3. City families live in it.
  2. 6. What is twenty and seventy?
  3. 8. What is five and ten?
  4. 9. Face to face.
  5. 13. A building.
  6. 14. Be open or close.
  7. 15. What is thirty and fifty?
  8. 16. Before twenty.
Down
  1. 1. Big.
  2. 2. People cook there.
  3. 4. A part of time.
  4. 5. Be open or close.
  5. 7. Sit on it.
  6. 10. A place where children learn(学习).
  7. 11. After seventeen.
  8. 12. After twelve.
  9. 17. Can be very tall.