第1个回答 2011-07-14
when指时间
在定语从句中做时间状语也可做连接词用 (1) I still remember the day when I first came to the school. (2) The time when we got together finally came.
where指地点
在定语从句中做地点状语 (1) Shanghai is the city where I was born. (2) The house where I lived ten years ago has been pulled down.
while好像不是定语从句的吧