阅读下面短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式。
A big fire broke out in a clothing factory in our city last Wednesday. At 9:18 that morning, when the employees were working ____ (busy) in the 4-storeyed building, heavy smoke was seen ____(come) out of the windows on the second floor. The fire lasted nearly an hour, and the majority of the 345 employees managed ____(escape) from the fire. Unfortunately, 7were killed, and 23 injured, lightly or seriously.
Some workers ____(complain) that aids came too late,____ the firemen did come just 10 minutes after the fire was reported. To rescue everyone from the burning and smoking building in such a short time was too difficult. The only two exits of the big building were not enough for so many people to withdraw in ____ hurry.
The reason of the fire, according to an investigator, was ____someone broke the non-smoking rule in the factory, because some cigarette ____(end) were found. Next two weeks, 15 inspection teams will be working in all the factories ____ turn, aiming to clear away the possibility of more fires.____ (hope), no disasters like this will happen again.
