【示例】歌手瞥一眼观众，深呼吸一下，就开始唱起来。
The singer glanced at the audience, took a deep breath and began to sing.
仿写：Mac jumped off the bicycle to shut the door.
翻译：麦克毫不犹豫跳下自行车，冲向车的后门，猛然地关上车门。
改写：Mac ________off the bicycle without any hesitation, ________to the back door ________ ________the door heavily.