关于关系副词和关系代词.*I will never forget the day when I first met you on the seashore.*I will never forget the days which/that we spent together in Xueyao Middle School.**This is the hospital where my mother works.**This is the hospital which/that we visited the day before yesterday.***The reason why he did not go to school is that he was ill.***This is the reason which/that he gave his boss in the office .就是这些,解释一下为什么这些定语从句要用关系代词或关系副词COME ON 这么高悬赏都没人0

关于关系副词和关系代词.
*I will never forget the day when I first met you on the seashore.
*I will never forget the days which/that we spent together in Xueyao Middle School.
**This is the hospital where my mother works.
**This is the hospital which/that we visited the day before yesterday.
***The reason why he did not go to school is that he was ill.
***This is the reason which/that he gave his boss in the office .
就是这些,解释一下为什么这些定语从句要用关系代词或关系副词
COME ON
这么高悬赏都没人0