听第二篇短文，回答第16~20小题。
16. What will most thieves do to save them-selves when they are in trouble?
A. They will run away.
B. They will kill people.
C. They will make up stories.
17. Where did the story happen?
A. In a clothes shop.
B. In a shoe shop.
C. In a jewellery shop.
18. What was the thief trying to take away?
A. A camera.
B. A coat.
C. A gold ring.
19. What did the owner want to do at first when he caught the thief?
A. Call the police.
B. Kill him.
C. Throw him out of the shop.
20. How did the shop owner feel when the thief asked for something cheaper?
A. Angry.
B. Happy.
C. Anxious.