A： You look pale．（1）　　

B： I don't feel well． I've got toothache．（2）　　

A： How long have you felt like this？

B：（3）　　

A： OK． Open your mouth and let me have a check． …（4）　　 Take this medicine after meals three times a day． You'll be all right in a few days．

B：（5）　　

A． Thanks． B． For about two days． C． You must be tired． D． Well， it's nothing serious． E． That's right． F． What's the matter？ G． It hurts．