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:B
解析:
解析:
|
since 1990的意思是“自从1990年以来(至今)”,since常与现在完成时连用。 |
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