题目内容：

补全对话。选择方框内的选项填空，使对话完整，并将答题卡上该选项涂黑。

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?