五、改错
The alarm was first gone off on the third floor. 76 _________
People left building hurriedly but in an orderly manner. 77 _________
They came out carry their shopping bags and their parcels, 78 _________
some not properly wrapped and some not even paid. 79 _________
Most passer-by waited in the street to watch.Many of the 80 _________
shops and offices in the street had just closed.Mr.Clement. 81 _________
The officer in charge of, ordered all hoses(软管) 82 _________
to turned to the roof of the main building.People were pushed 83 ________
back from the area of their own safety.Seven officers 84 ________
entered the basement or were driven back within minutes. 85 _________
Hurriedly they put on their masks , ready to try again