题目内容
When I dropped in, Dr Smith ________, so we only had time for a few words．
[ ]
A．just left
B．was just leaving
C．has just left
D．had just left
答案：B
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题目内容
When I dropped in, Dr Smith ________, so we only had time for a few words．
A．just left
B．was just leaving
C．has just left
D．had just left