小学毕业了，天各一方，各奔前程，龚心源在市第一中学，马大衡在市第四中学，我则在市第五中学。
O O O O O O O O O O O O O O O O B-Person I-Person I-Person O B-Organization I-Organization I-Organization I-Organization I-Organization O B-Person I-Person I-Person O B-Organization I-Organization I-Organization I-Organization I-Organization O B-Person O O B-Location I-Location I-Location I-Location I-Location O