题目

 ---Your school things are here and there. Will you please          ?  ---OK, I’ll do it right away. A. give them away   B. fix them up    C. hand them out    D. put them away 答案：D如图所示，⊙O是△ABC的内切圆，分别切AB、BC、CA于D、E、F，若AB=5，BC=7，AC=8，则AD=_______，BE=________，CF=________．