Unfortunately, when I dropped in, Doctor Li for Beijing to join in the fight again SARS, so we only had time for a few words． [ ] A．just left B．has just left C．is just leaving D．was just leaving 题目和参考答案——青夏教育精英家教网—

题目内容

Unfortunately, when I dropped in, Doctor Li ________ for Beijing to join in the fight again SARS, so we only had time for a few words．

[　　]

A．just left

B．has just left

C．is just leaving

D．was just leaving

答案：D

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