问题
选择题
I first met Lisa three years ago. She ________ at a radio shop at the time.[ ]
A. was working
B. has worked
C. had worked
D. had been working
答案
答案：A
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I first met Lisa three years ago. She ________ at a radio shop at the time.[ ]
A. was working
B. has worked
C. had worked
D. had been working
答案：A
