故事阅读理解与情节复述 — 英语填空题
题目
读故事并补全复述：Tom has a small box. First, he puts a red ball in it. Then he puts a blue car in it. His sister asks for the car. Tom gives her the blue car. At home, he sees the red ball in the box. 按故事顺序，Tom先放进盒子、最后仍留在盒子里的东西是___。