听下面一段较长对话,回答以下小题。
13. What does the man probably do?
A.He’s a dentist. | B.He’s a salesman. | C.He’s a dentist’s assistant. |
14. What does the man suggest about the woman’s teeth?
A.They’re so nice. | B.They’re damaged. | C.They look dirty. |
15. How often does the woman usually brush her teeth?
A.Once a day. | B.Twice a day. | C.Three times a day. |
16. What did the man do to the woman?
A.He cleaned her teeth. | B.He checked her eyes. | C.He replaced her toothbrush. |