I. Explain the following: 1. to go to the dogs. 2. the black sheep of the family. 3. to put the cart before the horse. 4. to lock the stable door after the horse is stolen. 5. to take the bull by the horns. 6. to let the cat out of the bag. 7. to die in harness. 8. his bark is worse than his bite. 9. to ride the high horse. 10. a cat and dog life. 11. a cat on hot bricks. 12. a bull in a china shop. 13. to smell a rat. 14. a fish out of water. 15. an "also ran". 16. straight from the horse's mouth. 17. raining cats and dogs. 18. a red herring. 19. misfortune dogged his foot- steps. 20. a cock-and-bull story.