听第8段材料，回答第12至14题。

12.How large is the buyer's family?

A.It consists of a couple and four children.

B.It includes a man and his wife.

C.It has four members.

13.How did the man learn about the house?

A.He read about it in the newspaper.

B.He saw it on South Florida Street.

C.He wife told him about it.

14.What's the man most worried about?

A.The size of the house.

B.The appearance of the house.

C.The down payment(首期付款).

听第9段材料，回答第15至17题。

15.Why is the patient seeing the doctor?

A.Because his wife told him to.

B.Because he feels tired.

C.Because his wife feels tired.

16.What does the doctor think his problem is?

A.His wife. B.His job. C.His operation.

17.What can we learn about the doctor?

A.She isn't fit for her job.

B.She didn't give the man any examination.

C.She will give the man further examination tomorrow.