题目内容
I first met Lisa three years ago. She ________ at a radio factory at the time.
[ ]
A.has worked
B.was working
C.had been working
D.had worked
答案:B
解析:
解析:
|
根据上下文我们可推测为这里指的是“三年前的”情况,表示“当时他正在一家无线电厂工作”。 |
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