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My friend, who on the International Olympic Committee all his life, is retiring

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My friend, who on the International Olympic Committee all his life, is retiring

My friend, who ________ on the International Olympic Committee all his life, is retiring next month.

[]

A.served

B.is serving

C.had served

D.has served

试题答案

答案:D

解析:

这个句子的主干是My friend is retiring next month.,它告诉我们“我”的朋友仍在国际奥委会任职。非限制性定语从句中的时间状语all his life表明,任职是从过去一直到目前为止的状态,所以要用现在完成时,故选D项。