The new power plant is reported______within three years.A、having been completed

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问题 The new power plant is reported______within three years.

选项 A、having been completed
B、to have been completed
C、to have completed
D、to complete

答案 B

解析 非谓语动词题。句意:新电站将在三年内完成。动词不定式完成式的被动语态 形式:“to have been completed”做主语补足语,为正确答案。
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