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

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

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:

要退休的朋友为委员会服务了一辈子,强调某个动作持续到现在,因此用现在完成时。