I first met Lisa three years ago when we ___at a radio station together.A.have worked B.had been working C.were working D.had worked本句when引导的是定语从句,修饰three years ago.那么three years ago是过去时态的标志,所以答案应
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![I first met Lisa three years ago when we ___at a radio station together.A.have worked B.had been working C.were working D.had worked本句when引导的是定语从句,修饰three years ago.那么three years ago是过去时态的标志,所以答案应](/uploads/image/z/5776751-47-1.jpg?t=I+first+met+Lisa+three+years+ago+when+we+___at+a+radio+station+together.A.have+worked+B.had+been+working+C.were+working+D.had+worked%E6%9C%AC%E5%8F%A5when%E5%BC%95%E5%AF%BC%E7%9A%84%E6%98%AF%E5%AE%9A%E8%AF%AD%E4%BB%8E%E5%8F%A5%2C%E4%BF%AE%E9%A5%B0three+years+ago.%E9%82%A3%E4%B9%88three+years+ago%E6%98%AF%E8%BF%87%E5%8E%BB%E6%97%B6%E6%80%81%E7%9A%84%E6%A0%87%E5%BF%97%2C%E6%89%80%E4%BB%A5%E7%AD%94%E6%A1%88%E5%BA%94)
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