题目内容
--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
答案:
解析:
解析:
|
答句 Since 1990。表明,问句应用现在完成时态。主语是谓语动词动作的承受者,应用现在完成时的被动语态。 |
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