1,what is the name of the state______lincoln was born?where
2,do you know the date——lincoln was born?when
3,can you remember the first place_______lincoln worked?where
4,what was the subject__ ____noln studies in his spare time?which
5,hat was the year in______lincoln first became president of the usa?which
6,what was the name of the war in the usa__ lasted four years?which
7,what was the year _____fighting broke out?when
8,can you tell me the date_____lincoln was shot?when
解析：这几个句子都是定语从句,判断一个句子是否定语从句,要看先行词（被修饰的名词或代词）,关系词的确定既要看先行词又要看其在定语从句中的句法成分.如句一：先行词是state,关系词在定语从句中做地点状语,所以要用“where”