上中学了，没钱吃饭了就回家挑一担茅草到街上游龙似的叫卖，换来几毛钱，脸上笑得连嘴也拢不上。
O B-Time I-Time O O O B-Thing O B-Thing O O O B-Location O B-Metric I-Metric B-Thing I-Thing O B-Location I-Location B-Thing I-Thing O O O O O O O B-Metric I-Metric B-Thing O B-Thing O O O O B-Thing O O O O O