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All the preparations for the task and we were ready to start.A.completedB.completeC.had been complet

编辑:chaxungu时间:2026-04-24 12:52:43分类:高中英语题库

All the preparations for the task ______ and we were ready to start.
A.completedB.completeC.had been completedD.have been completed在线课程C
解析:
由and we were ready to start来判断,前面用过去完成时的被动语态。