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The telephone for five minutes before it .A.was ringing, was answeredB.had been ringing, was answere

编辑:chaxungu时间:2026-04-24 12:51:47分类:高中英语题库

The telephone ________ for five minutes before it ________ .
A.was ringing, was answeredB.had been ringing, was answeredC.was rung, answeredD.had been rung, was answered在线课程B