Franklin was the first man __________discovered the nature of electricity.
问题描述：
Franklin was the first man __________discovered the nature of electricity.
问是用who 还是用that 为什么?
答
用 that ,定语从句中,先行词被first 等序数词修饰时,关系代词不能用 which或者who,只能用that.
英语教师解析 保证质量