问题
选择题
I first met Lisa three years ago. She ________ at a radio shop at the time.
A．worked
B．was working
C．has worked
D．has been working
答案
答案：B
题目分析：句意三年前我初次见到丽莎。那时她正在一个无线电商店工作。根据句意，指见到丽莎时她正在工作，故用过去就现在，故选B。
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