WhenIdroppedin,DrSmith________,soweonlyhadtimeforafewwords.A.justle

发布时间：2020-08-06 04:33:54

When I dropped in, Dr Smith ________, so we only had time for a few words.A.just leftB.was just leavingC.has just leftD.had just left

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B解析根据题干when I dropped in为过去的某一点时间，句子要用过去进行时。
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