[例1] Friendship is needed by all, _____ plays an important role in people’s lives.
A. which B. that C. who D. it
分析:_____ plays an important role in people’s lives为非限定性定语从句修饰先行词Friendship用which连接定语从句。
[例2] Uncle Li _____ I worked three years ago has retired now.
A. who B. whom C. with whom D. to whom
分析:_____ I worked three years ago作为定语从句修饰先行词Uncle Li,从句完整的表达是:I worked with Uncle Li three years ago. 所以关系词前应加上介词with。
[例3] Is this the reason _____ at the meeting for his carelessness in his work ?
A. he explained B. what he explained C. how he explained D. why he explained
分析:定语从句_____ at the meeting for his carelessness in his work修饰先行词the reason指"他在会上就他工作中的粗心解释的原因。先行词在从句中做宾语。
[例4] Teachers, _____ work is rather hard, are being better paid than before.
A. who B. that C. which D. whose
分析:非限定性定语从句_____ work is rather hard修饰先行词teachers, 它与从句中的work是从属关系,关系词用whose
[例5 ] The Olympic Games , _____ in 776 BC, didn’t included women players until 1912.