word puzzles

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Across
  1. 4. you can send postcard there
  2. 5. you can do many experiments(实验）
  3. 7. a vihicle(交通工具） powered by（动力来自） dogs
  4. 10. at 6:00pm
  5. 12. the day after today
  6. 13. You go to the USA by it.
Down
  1. 1. You can buy some books there.
  2. 2. you can see a film there
  3. 3. people on bikes must wear one.
  4. 6. You can buy almost(几乎） anything（任何东西） there.
  5. 8. You can use it to look up(查阅） words
  6. 9. the opposite(相反） of left
  7. 11. the opposite of slow