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If , he promised that he would try his best to improve people's living condition

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If , he promised that he would try his best to improve people's living condition

If _________, he promised that he would try his best to improve people's living conditions.

[     ]

A. being elected
B. to be elected
C. having elected
D. elected

试题答案

D

标签：trywouldbesthishe

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