阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。
One day a dentist (牙医) was starting his morning work. ____ (sudden) a man ran in. His face was red, ____ he could only say “Quick! Quick!” The dentist thought he must be very ____ (illness). His assistant (助手) helped to make the poor man sit in the chair. The dentist ____ (give) the man some medicine ____ (make) the man sleep. Then, he looked into the ____ (man) mouth and pulled out all the bad ____ (tooth). As soon ____ the man woke up，he said in a low voice, “Quick, doctor, quick!”
“It's all right now”, ____ dentist told him, “It is over.”
“You don't understand.” said the man. “I came to tell you that ____ house is on fire."
