1.   As the world approached the cusp of a new millennium, the fire was still spreading.

2.   Fire quickly spread through the building.

3.   Hundreds of people clambered to the roof of the building to watch the fire spread.

4.   The fire had spread to a nearby shed.

5.   The fire is spreading out of control.

6.   The fire quickly spread throughout the building.

7.   The fire quickly spread to several nearby factories.

8.   The fire spread rapidly, consuming many of the houses.

9.   The fire spread rapidly, consuming many of the pathetic homes that had been erected.