2. 外语
  3. Once ______ , this power station will supply all the neighboring towns and villages with electricity.

Once ______ , this power station will supply all the neighboring towns and villages with electricity.

admin2009-02-10  81
问题 Once ______ , this power station will supply all the neighboring towns and villages with electricity.
选项 A、it being completed
B、it completed
C、completed
D、it completes
答案C
解析 句意：这座电站一建成竣工，就将向周围城乡供电。once在这里是连词，意为“一旦…就…”，后面省略了it is。
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