liu huan is a good singer . many people love to listen to (he) . 应适当形式
问题描述：
liu huan is a good singer . many people love to listen to (he) . 应适当形式
答
答案：him.
解释：listen to中的to是介词,后面跟宾语.
所以必须使用人称代词的宾格形式即him.