7．聽第9段材料，回答第14至17題．
14．Where is the woman？
A．At the dentist's．B．At a shop．C．At a clinic．
15．What does the man suggest the woman to do？
A．Get her hole filled at once．B．Take a long run．C．Put herself to sleep first．
16．What is wrong with the woman？
A．She has a toothache．B．Her back hurts．C．She has a hole in one of her teeth
17．How many holes are there？
A．A hole．B．Several holes．C．We don't know．