The leaders have done everything they can _____ people's living conditions.
A improving B improved C to improve D improves
人气：251 ℃ 时间：2020-03-24 15:24:14
解答
C
动词不定式表示目的状语,they can是定语从句,修饰 everything
主要句子是：the leaders have done everything to improve .
领导人做了他们能做的所有事,为了提高人们的生活条件.
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