题目内容：

SECTION C (12 points)

Directions: Complete the following passage by filling in each blank with one word that best fits the context.

More than 220 people were killed in the fire,  48   destroyed the building on February 4th, 1974. The building was finished only a few months  49   the fire and it was the newest building. All the 25 floors of the building were completely destroyed.  50   fire also destroyed cars which belonged to people who worked   51   the building.

Over 500 people were working in the building  52   the fire broke out on the 11th floor.  53    knows how the fire started. Perhaps it was started by an electrical fire in the ceiling of one of the offices. Office workers tried to put out the fire,  54   it was impossible to control it. Soon the whole floor was on fire and it was impossible  55   people on the floors above to escape.