It was reported that a fire broke out in a tall building in Beijing on Thursday afternoon. No one was killed in the fire. The building, which caught fire, is near the three-tower shopping and office plex(综合体) named Xihuan Plaza. One of the three towers was in heavy smoke because of the polyfoam（泡沫塑料）outside. The fire was put out at about 3:34 pm, 16 minutes after the firemen received alarms（报警）.
Witnesses said the fire broke out at about 3:15 pm. The shopping center had people inside evacuated（疏散）shortly after the fire. By 4:50 pm, all the workers from the center returned.
【小题1】 The fire happened on a weekday ▲ , when people were working in the office.
【小题2】 When the firemen put out the fire, the fire lasted for 19/nineteen ▲ minutes.
【小题3】 The workers went back to work Over ▲ an hour after the fire was put out.
【小题4】 Though the fire frightened people there, it killed Nobody ▲ .
【小题5】 The fire didn’t stop/quit ▲ until it was 3:34.
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解析：
【小题1】细节理解题，根据文中语句“It was reported that a fire broke out in a tall building in Beijing on Thursday afternoon.”理解可知。
【小题2】细节理解题，根据文中语句“The fire was put out at about 3:34 pm,Witnesses said the fire broke out at about 3:15 pm. ”理解可知。
【小题3】细节理解题，根据文中语句“By 4:50 pm, all the workers from the center returned.”理解可知。
【小题4】细节理解题，根据文中语句“No one was killed in the fire.”理解可知。
【小题5】细节理解题，根据文中语句“The fire was put out at about 3:34 pm,”理解可知。