:70个英语谜语（带中文注释）

  13. What two words have thousands of letters in them?

  Post office.

  14. What do workers do in a clock factory?

  They make faces all day.

  15. What 5-letter word has 6 left when you take 2 letters away?

  Sixty.

  16. When do you go as fast as a racing car?

  When you are in it.

  17. How many sides does a house have?

  Two - inside and outside.

  18. What never asks any questions but always gets answers?

  A doorbell.