.Unfortunately, when I dropped in, Doctor Li _____ for Qinghai to join in the fight against the earthquake, so we only had time for a few words
A.just left | B.has just left | C.is just leaving | D.was just leaving |
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.Unfortunately, when I dropped in, Doctor Li _____ for Qinghai to join in the fight against the earthquake, so we only had time for a few words
A.just left | B.has just left | C.is just leaving | D.was just leaving |