He didn’t turn up until we ____ the work.A.didB.have doneC.were doingD.had done

分类: 作业答案 • 2022-07-30 15:38:07

问题描述：

He didn’t turn up until we ____ the work.
A.did
B.have done
C.were doing
D.had done

答

D,用过去完成时,翻译：直到我们完成工作他才出现.