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Until then I for him for hours in his office.A.waitedB.was waitingC.have been waitingD.had been wait

编辑:chaxungu时间:2026-04-24 12:54:17分类:高中英语题库

Until then I _______ for him for hours in his office.
A.waitedB.was waitingC.have been waitingD.had been waiting在线课程D