煤气爆炸之谜

摘要

＜正＞1.Detective Brown was reading a book at home at 9:00 in the evening.Suddenly the lights went out.晚上九点,布朗探长正在家里看书,忽然停电了。2.Five minutes later,there was a loud noise,which shattered all the windows.五分钟之后,一声巨响把窗子的玻璃都震碎了。3.A house nearby exploded and burned.Mr.Brown ran to the house at once.原来是附近的一所房子爆炸着火了。布朗探长连忙向现场跑去。