Tom had a bad toothache. His mother wanted to take him to the dentist's (牙科诊所), but he 1 . He was afraid of the 2 when the dentist had to extract (拔出) his tooth. Tom's mother told him that if he did not visit the dentist, the pain would get 3 . At last, Tom had to agree.
There were not many people at the dentist's. 4 , it was Tom's turn. He walked nervously into the room and sat down. The dentist looked 5 and said hello to him with a smile. He asked Tom to 6 his mouth. And then he told Tom that he had to extract the bad tooth. The dentist gave Tom an injection (注射) and 7 him that he would not feel any pain.
Tom really did not feel any pain. Then the dentist advised Tom to brush his teeth twice a day and taught him the 8 way of brushing his teeth. He also told Tom not to eat too many sweet things 9 his teeth would be healthy.
After that, Tom 10 how important it was to protect his teeth.
