听下面一段较长对话,回答以下小题。
11. What is the possible relationship between the speakers?
A.Clerk and customer. | B.Hostess and guest. | C.Witness and policeman. |
12. What does the man suggest people do first to protect their homes?
A.Check the locks. | B.Purchase a security door. | C.Tell their neighbors. |
13. What are the speakers doing?
A.Recording a program. | B.Inspecting a case. | C.Decorating a house. |