一家三口人经过几个月的艰苦奋斗，终于让道路畅通了，电灯电视亮起来了，沉寂多年的胡沟一下子缩短与山外的距离。
B-Person I-Person I-Person I-Person I-Person O O B-Time I-Time I-Time O O O O O O O O O B-Thing I-Thing O O O O B-Thing I-Thing I-Thing I-Thing O O O O O O O O O O B-Location I-Location O O O O O O B-Location I-Location O O O O