The great mana lotsociety before he died.A. have contributed;onB. had contributed;toC. con

问题补充：

The great mana lotsociety before he died.

A. have contributed;on

B. had contributed;to

C. contributed;at

D. contributes;for

答案：

A. have contributed;on

(答案→)B. had contributed;to

C. contributed;at

D. contributes;for

解析：本题题意是：“这位伟人生前为社会作出了巨大贡献。”根据从句的时间是过去时判断主句应该用过去完成时。