15.

　　A) They should help maintain the equipment.

　　B) They should teach their children how to use the equipment.

　　C) They should stop their children from climbing ladders.

　　D) They should keep a watchful eye on their children.

　　16.

　　A) They can be creative when they feel secure.

　　B) They may panic in front of high playground equipment.

　　C) They should be aware of the potential risks in the playground.

　　D) They tend to stay within shouting or running distance of their parents.

　　Passage Three

　　Questions 17 to 20 are based on the passage you have just heard.

　　17

　　A) It's admired worldwide. B) It takes skill.

　　C) It pays well. D) It's a full-time job.

　　18.

　　A) An old lady carrying a handbag on the left.

　　B) A mother with a baby in her arms.

　　C) A woman whose bag is hanging in front.

　　D) A lone female with a handbag at her right side.

　　19.

　　A) A side pocket of his jacket.

　　B) The top pocket of his jacket.

　　C) A side pocket of his trousers.

　　D) The back pocket of his tight trousers.

　　20.

　　A) Clothing stores where people are relaxed and off guard.

　　B) Hotels and restaurants in southeast London.

　　C) Airports where people carry a lot of luggage.

　　D) Theater lobbies with uniformed security guards.