A:Hey,Maria,where are you going?
B:I'm going to the dentist this afternoon.
A:(1)
B:Nothing much. I only want to have my teeth cleaned.
A:Really? My teeth always hurt after the dentist cleans them.
B:(2)
A:Just once a year.
B:Well,you should go once a month.
A:I know. But my teeth hurt after I see the dentist.
B:Because you don't often see the dentist.
A:(3)
B:Only brushing your teeth isn't enough.
A:OK. (4)
B:Dr. Johnson. He's really a good dentist.
A:(5) . I'll call him.
B:Yes. I'll give you his phone number later.
A.Who's your dentist?
B.What's the matter with you?
C.How often do you go to the dentist?
D.But I brush my teeth every day.
E. Do you have his phone number?