题目

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 动词时态的考查。当我去看他时，他正要去北京参加抗击非典，所以只跟他说了几句话。情景是他正要去。又因为come，leave，arrive等动词的进行时表将来时，故答案为D.  

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