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-How long at this job? -Since 1990. [ ] A.were you employedB.have you been emplo

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-How long at this job? -Since 1990. [ ] A.were you employedB.have you been emplo

-How long ________ at this job?

-Since 1990.

[]

A.were you employedB.have you been employedC.had you been employedD.will you be employed

试题答案

答案:B