Unfortunately, when I dropped in, Doctor Li _____ for Beijing to join in the fight again H1N1, 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 Beijing to join in the fight again H1N1, 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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