题目内容

Unluckily, when I dropped in , Dr. Smith ____, so we only had time for a few words.
A.was just leavingB.has just leftC.had just leftD.just left
A
由so we only had time for a few words可知:当我们到访时,Dr. Smith. 正要离开,was leaving过去进行时表将来。故选A。
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