再之后，这里就修了公路桥，公路桥一通，就来了汽车、拖拉机，突突的拖拉机硬生生地要了我外婆的命。
B-Time I-Time I-Time O B-Location I-Location O O O B-Thing I-Thing I-Thing O B-Thing I-Thing I-Thing O O O O O O B-Thing I-Thing O B-Thing I-Thing I-Thing O O O O B-Thing I-Thing I-Thing O O O O O O B-Person I-Person I-Person O O O