He couldn't answer the question,so I answered it.(合并为一句）
问题描述：
He couldn't answer the question,so I answered it.(合并为一句）
I answered the question ------- ------- him.
这里是rather than还是instead of呢?
答
in stead of 原文是代替的意思
rather than 是宁愿的意思其实后者还有“是...而不是”的意思如果是你说的rather than 的意思 那也应该是用在主语后i, rather than he, answered the question.