填空题
提示：Alice得知Bill最近住院，问Bill发生了什么事。听说Bill房间失火，Alice感到遗憾。Bill说失火是由于熄灯后，John点燃了蜡烛，要继续阅读，但后来他却睡着了，随后，他的床着了火，他本人严重受伤，现在仍然住院。
Alice: Where have you been these days
Bill: In the hospital.
Alice: In the hospital (51)
Bill: Didn’t you know that our room caught fire last Sunday evening
Alice: Oh, really (52) . But what caused the fire
Bill: Well, the light in our room was turned off at 10:30 as usual. John lit a candle (53) . Unluckily he fell asleep with the candle still burning beside him. (54) .
Alice: Oh, my God! How was John
Bill: He was badly burnt (55) .
Alice: Was he the only one burnt
Bill: No. There were two more, including me.