-How long at this job? -Since 1990. A. were you employed B. have you been employ
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—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
试题答案
答案:B
解析:| 本句用完成时当无疑问。
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