The day ( ) I met the famous pop star was the greatest day of my life 咋填啊?

问题描述:

The day ( ) I met the famous pop star was the greatest day of my life 咋填啊?

用when 定语从句引导词
The day when I met the famous pop star =In the day I met the famous pop star
was 的前面全部都是主语(此句又是主语从句)