-How long at this job? - Since 1990.A.were you employedB.have you been employedC.had you been employ - 高中英语题库

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【题目】—How long _____ at this job?
— Since 1990.
A.were you employed
B.have you been employed
C.had you been employed
D.will you be employed

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【答案】B
【解析】since用于现在完成时，特殊疑问词后加一般疑问句，故选B。