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Thousands of people took part in the work when the reservoir .A.would be builtB.was buildingC.was be

编辑:chaxungu时间:2026-04-24 13:00:35分类:高中英语题库

Thousands of people took part in the work when the reservoir(水库) ________.
A.would be builtB.was buildingC.was being builtD.had been built在线课程C