问题
选择题
I first met Lisa three years ago. She _____ at a shop at the time.
A．has worked
B．was working
C．had been worked
D．had worked
答案
答案：B
某个时候正在做什么用进行时态。
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I first met Lisa three years ago. She _____ at a shop at the time.
A．has worked
B．was working
C．had been worked
D．had worked
答案：B
某个时候正在做什么用进行时态。
