问题
选择题
—Did you meet the professor at the airport?
—No，he ____ by the time I ____ there．
A．had left；got
B．has left；reached
C．was leaving；got
D．left；had got
答案
答案：A
根据上文，下文叙述应是过去时态。根据下文时间状语，我到那时,他已离开了,选A.
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