双休日，假期学校成了老百姓放牧场，学校外债累累，全落在我的头上。
B-Time I-Time I-Time O B-Time I-Time B-Location I-Location O O B-Person I-Person I-Person B-Location I-Location I-Location O B-Location I-Location B-Thing I-Thing B-Metric I-Metric O O O O B-Person O B-Location I-Location O