Complete the following sentence with a (compound) word derived from the one given in bracket.
Some people believe that smoking may（ ）one's life. Not only cancer, but also heart and lung diseases are related with smoking. (short)
【正确答案】：SHORTEN
【题目解析】：
本题考查常见形容词的动词形式。
由may可知，后空缺处应填动词原形，short的动词形式是shorten意为“使...变短”。
句意：一些人相信吸烟可能缩短一个人的寿命。不仅是癌症，包括心脏和肺部的疾病都与吸烟有联系。