过去式是flew，例如：
1、A wasp flew in the open window.一只黄蜂飞进了开着的窗子。
2、A shower of sparks flew up the chimney.烟囱里飞出无数火星。
3、He flew out of the room like a man possessed.他猛然冲出房门，像着了魔似的。
4、David gave the door a kick and it flew open.戴维踢了门一脚，门一下子开了。
