摘要： He works in a factory now, but he on a farm for 20 years. A. worked B. has worked C. had worked D. had been working Key: A
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He works in a factory now , but he ______ on a farm for 20 years.
- A.worked
- B.has worked
- C.had worked
- D.had been working
He works in a factory now, but he on a farm for 20 years.
A. worked B. has worked C. had worked D. had been working
查看习题详情和答案>>He works in a factory now, but he on a farm for 20 years.
A. worked B. has worked C. had worked D. had been working
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