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When Tack arrived, he learned Mary for almost an hour. [ ] A.had goneB.had set o

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When Tack arrived, he learned Mary for almost an hour. [ ] A.had goneB.had set o

When Tack arrived, he learned Mary ________ for almost an hour.

[]

A.had goneB.had set offC.had leftD.had been away

试题答案

答案:D

解析:

导解:与一段时间状语连用,表状态.